[HN Gopher] Average adult will spend 34 years of their life star... ___________________________________________________________________ Average adult will spend 34 years of their life staring at screens Author : praveenscience Score : 292 points Date : 2020-05-20 15:26 UTC (7 hours ago) (HTM) web link (www.studyfinds.org) (TXT) w3m dump (www.studyfinds.org) | nbj914 wrote: | seems low | martindbp wrote: | Well, personally I don't sit staring at a screen, I watch movies, | play games, talk to people, build stuff and learn new things. You | wouldn't say reading a book is "staring at paper" would you? | jccc wrote: | This is an excellent point (sincerely), but in addition there | is quite a bit of difference in what is required of a reader | "staring at paper" vs. many of the couch potatoes staring at | their various screens. | | Probably HN is packed with better than average active users of | screens than the general population. | throwaway_USD wrote: | >You wouldn't say reading a book is "staring at paper" would | you? | | Actually there is a colloquialism for that since the early | 1900's: "Nose in a book" | | To your point no one actually has their nose in the book. | coldtea wrote: | > _You wouldn 't say reading a book is "staring at paper" would | you?_ | | Well, ultimately, it is... | martindbp wrote: | Of course, but nobody ever says this. Except when reading was | a new thing. | coldtea wrote: | Mostly because nobody (statistically) spends too much time | reading books. And because books have (on average) more | substantial content than social websites and other such | uses of time, so that's a better tradeoff. | | That said, some people can (and do, more so in the past) | over-read, to the detriment of their social life or even to | their health... | filoleg wrote: | Fully in agreement with your take on this. One small | clarification, however. | | >You wouldn't say reading a book is "staring at paper" would | you? | | In our day and age, you wouldn't. But this was definitely a | thing in 1800s (regarding books) and in early 1900s (regarding | newspapers). Using very similar excuses to rant about those, as | the excuses being used today regarding screens too. | | And even earlier, in Ancient Greece, tons of prolific | philosophers were strongly opposed to writing and books as a | concept, as they believed that writing things down and learning | from that (as opposed to oral learning) was eroding abilities | that relied on memory (which parallels really well with people | currently complaining about search engines removing the hard | need for memorizing things). | | However, knowing this only makes your original point stronger. | osrec wrote: | Funnily enough, I remember talking to a historian who said | centuries ago, reading a book was considered "mindless | entertainment", much as we think about our smartphones now. | Eventually, reading evolved into being considered something | generally "smart" people did. | rrrrrrrrrrrryan wrote: | I hung out with some Vietnamese Zen buddhist monks on a | monastery for a few days, and I was surprised to find that | they viewed most fictional novels as mindless entertainment | as well. Books with obvious educational value and religious | texts were fine of course, but spending a few hours reading a | novel would be lumped into the same general category as | spending a few hours binging a Netflix show, so they did it | sparingly. | logosmonkey wrote: | Many were quite opposed to books and have been throughout | history. This is a fun read | https://www.historytoday.com/archive/reading-bad-your-health | hackmiester wrote: | I'd also love to read more about this, similar to the sibling | comment from carierx1, who appears to be hellbanned. | yesenadam wrote: | > carierx1, who appears to be hellbanned. | | If you read their 1 page comment history, there's dang | explaining "We've banned this account." and why. | carierx1 wrote: | I'd love to read up more on that! Any links to literature on | the topic? | Andhurati wrote: | Do books do the same damage to your eyes as screens? | pintxo wrote: | probably yes. | | At least with [1] tpart of the problem is (very simplified) | focusing too long on objects too near (book, screen, ...) | | [1] https://en.wikipedia.org/wiki/Near-sightedness | rrrrrrrrrrrryan wrote: | There's always been a strong correlation between near- | sightedness and reading books or looking at screens in | childhood and early adulthood, and it was assumed for a | long time that it was because of what you described | (focusing on objects too near), but the latest research | suggests something much more interesting is happening. | | Children who spend a couple hours per day outside have | extremely low rates of near-sightedness, so they think | there's something about the eyes being exposed to direct | sunlight that's necessary for them to grow properly. | ModernMech wrote: | Does that matter? Running damages your knees. Playing tennis | damages your elbow. Throwing a ball damages your shoulder. I | do the thing I love while staring at the screen. If it | damages my eyes that's the price I pay. I'm not going to stop | doing it. | squeaky-clean wrote: | If you believe my parents then all the years of reading books | at night with almost no ambient light would have destroyed my | eyes. | SpicyLemonZest wrote: | Probably? It's not like screens shoot death rays. It seems | very likely that looking closely at patterns within a | rectangle has the same effects whether it's made of paper or | electronics. | ping_pong wrote: | CRTs used to emit X-rays, so they actually did shoot death | rays. | jayd16 wrote: | Any ray is a death ray given sufficient dosage. | SketchySeaBeast wrote: | And that was the day the Care Bears let their stares full | power be known. | outworlder wrote: | They are backlit though, that's a big difference. Not sure | if any issues would be caused by this. | sokoloff wrote: | Is it a big difference? If you take the reverse of ray | tracing, why would a light beam of given intensity and | wavelength act differently on my retina because it was | directly transmitted vs reflected? | SpicyLemonZest wrote: | Backlit screens are brighter than a book under typical | indoor lighting conditions. (Although this doesn't really | support the original point, because the canonical | alternative of going outside is much brighter than | anything you do indoors.) | TLightful wrote: | Depends which game you're playing. | sethammons wrote: | do screen damage your eyes? | givehimagun wrote: | Can you provide evidence of where screens cause damage to | eyes? My ophthalmologist shared with me that there is general | irritation but we haven't been able to prove that screen | times degrade eye sight over time. | snazz wrote: | Staring at anything too close to your eyes for a long | period of time isn't good for them. If you are taking | appropriate breaks, my understanding is that screen time is | harmless. | vzidex wrote: | I've got the same understanding - I asked my | ophthalmologist about it as well because my vision is | already quite bad and I'm a computer engineer. | | For breaks, she recommended the "20/20/20 rule" - focus | your eyes on something at least 20 feet away, for 20 | seconds, every 20 minutes of screen usage. | snazz wrote: | Yes, I've gotten that recommendation as well. Apparently | more natural light exposure may also decrease the risk | for nearsightedness. Having a window near my computer | monitor makes it easy to remember to look outside | whenever I'm not actively looking at the screen. | SketchySeaBeast wrote: | Do screens do damage to your eyes? The article lists some | side effects, but I wouldn't consider that any sort of eye | damage, and it's certainly not permanent. | thisiszilff wrote: | Hey, do you have specific examples of the damage you're | concerned about? | | I've been reading up about this a lot as it is something that | concerns me, but so far most of what I've says that longterm | damage is mitigated by taking regular eye breaks (ie, | starting at something 20+ feet away every 20 minutes for 20 | seconds) & getting enough sleep (giving the eyes time to | properly rest). Are these mitigation strategies insufficient? | [deleted] | geebee wrote: | No idea, but I'm not sure it's material to whether "staring | at books" is a good description of reading. | olodus wrote: | Is that really supported by empirical trials? A short search | online seems to point to that being somewhat disputed. I'm | all for contradictory evidence though if you have some I | missed. | | Yeah sure a screen is emitting light which maybe makes it | worse for the eyes to look at in some ways and situations | than a paper page, but "looking at light" is almost an | oxymoron - isn't that what eyes do? | groby_b wrote: | Eyes usually look at diffusely reflected light, which has a | different impact than direct light. | | A white reflective surface (whiteboard) in direct sunlight | is 1.6cd/cm^2. Consumer monitors are ~300cd/cm^2 | | (I'm not sure how much bearing this actually has on eye | health, this is just to illustrate how looking at a monitor | and at a piece of paper is _significantly_ different) | gowld wrote: | cd/m^2, not cd/cm^2 | | I don't understand. Monitors are intended to be set to | the same brightness as the ambient environment. | 300cd/cm^2 is max, not average. | | Of course shining a monitor in your face at maximum | brightness is bad, just like staring at a light bulb all | day is bad. | TremendousJudge wrote: | >A white reflective surface (whiteboard) in direct | sunlight is 1.6cd/cm^2. Consumer monitors are ~300cd/cm^2 | | Why does it hurt my eyes to look outside after a while | looking at a screen in a well lit room? (the sun is not | directly visible, just buildings, trees and sky) | atomicnumber3 wrote: | Because the sun is an enormous sphere of hydrogen-helium | plasma with a core that's undergoing fusion just due to | gravity. Even indirect sunlight is still a very large | amount of light and energy. | | I don't mean to sound flippant, but I think sometimes | people forget just how insanely energetic stars of all | sizes are. | TremendousJudge wrote: | But GP's point was that a screen is much brighter than a | sunlit surface. You can't both be right, or I'm missing | something. | yoz-y wrote: | Hm, to be honest I find reading a book is direct sunlight | quite more challenging than staring at a screen, because | the reflected light is quite unbearable. | lukevp wrote: | Your units are wrong. Monitor brightness is measured in | square meters not square centimeters. A square centimeter | is 10,000 times smaller than a square meter. | greenshackle2 wrote: | You've got your units wrong. Very obviously so, to anyone | who has ever taken a laptop outside in daytime. | Cerium wrote: | I think there is a unit error here. I believe that | sunlight on white paper is about 1.6cd/cm^2, while | consumer monitors are about 300cd/m^2 (meter not cm). | Essentially, you want the brightness to match the | environment. | | http://www.infocomm.org/filestore/display_specs_and_human | _vi... | groby_b wrote: | There is indeed. Oops. I'd delete - no point polluting | the Internet with more bad info - but time window has | expired. | | Thank you for the correction! | beervirus wrote: | As noted, your units are wrong. A white reflective | surface in sunlight is FAR brighter than a computer | monitor. | ergocoder wrote: | Yes, it does, especially when reading in poor lighting and | poor posture. | | It turns out the best way to not damage an organ is to not | use it... | jedberg wrote: | Screens haven't damaged your eyes for a long time. That was | only true on the old CRT displays, which literally shot high | frequency EM at your eyes. | chpmrc wrote: | Where were you when my parents kept telling me "get off that | computer"? :'( | fsociety wrote: | Such a good point. I had a small existential crisis watching | programmers on YouTube/Twitch because I was focusing on the | sounds of the keyboard typing and realizing that they are | sitting in front of a screen typing for hours on end and how | pointless it was. | | The second part of my crisis was that I was no different. | | After a few months of dealing with this I remembered that | actually they are engaging with an entire world, and so was I. | Rhetoric is so stupid sometimes. | karatestomp wrote: | I find seeing video of myself using a computer downright | horrifying. I look like that? A good chunk of every day? | Yikes. | | I mean I don't stop, because money, but I'd love to be able | to take weeks- to months-long breaks from screens. | ironmagma wrote: | Never heard it put so plainly, that's awesome. | literalanyone wrote: | I really wish this was discussed more often. As a parent, I am | constantly bombarded with people telling me I should limit my | kids' "screen time." | | Generational skepticism of new technology is played out. Can we | move on yet? | s_dev wrote: | Both Steve Jobs and Bill Gates limited their kids screentime. | lhorie wrote: | So did John Doe. Not sure I understand what the argument | here is. | jedberg wrote: | I don't think either of those people are well known for | their excellence in parenting. | rietta wrote: | I SURE am glad my parents didn't limit my screen time as a | kid. I taught myself how to program from age 14 spending | countless, countless late night hours staring at the DOS | computer screen programming whatever caught my fancy. My | career would look so much worse if my parents had forbade me | from using the computer. | saiya-jin wrote: | careers to many of us are far from being the most important | things in our abysmally short lives | rietta wrote: | I find my work to be enjoyable and am glad it supports my | family and my team members who work for us. It started | out as literally me working crazy sleepless hours coding | freelance using the self taught skills. | EamonnMR wrote: | It's much harder to articulate "limit skinner box time" or | "limit time spent using services that play on gambling | impulses and give instant gratification like endless youtube | playlists and mobile games." | j45 wrote: | I find it's more helpful to see screen time in two buckets.. | | Creating/creative/thinking time spent on a screen is very | different than passive consuming time. | exclusiv wrote: | I'm with you but I think social media should be limited when | they get to that point. | | Some parents also think you should be playing with your child | at all times and that's absurd too. It's good for kids to | learn how to entertain themselves and be creative as | individuals. There's not much more obnoxious than kids who | grew up with their parents always playing with them or | managing their attention and the kids complain about being | bored. | saiya-jin wrote: | Most kids complaining (loudly) about being bored are from | my experience those that are over-saturated with TV, | phones, tablets etc. that are almost always around. Once | you remove this (ie trip to remote nature/vacation), they | can go slightly mental for a while. | | It seems to me that the recipe for that ideal self- | sufficient-loving-smart-social-over-achieving kids that all | parents seem to want to have is sort of a pipe dream, and | it always has been, just environment changed. We all want | them, but few will end up being one and its often not that | much a fault of a parent. | | Plenty of love, plenty of time together, some time alone, | some with others, well-managed discipline seems like a good | start. I would add some traveling and exposure to foreign, | exotic cultures. One can't avoid screen time these days, I | mean if I want to show my kid to parents during Covid, it | has to be via webcam. But passive aimless consumption isn't | one for me, and for sure it won't be for my kids. I'll | rather put them into rock climbing course. | | What happened to topics about billionaires forbidding the | access to phones & TV to their kids before age of 7? | bityard wrote: | Maybe those people telling you to limit screen time have | different observations than you. It really depends on the | individual child and my wife and I have first-hand experience | with both ends of the spectrum. | | One of my kids thrives on screen time because she actively | seeks out creative and informative non-passive activities. | She is in control of her technology usage rather than the | other way around. And even though we keep tabs on her, we | trust her completely to manage her own time. | | The other gets limited screen time because if we don't put | strict limits on it, he has absolutely immense self-control | issues. He throws temper tantrums, claims to be bored all the | time, picks arguments with others, refuses to follow simple | instructions, and won't stay in bed for anything at bed time. | Put simply: he displays all the hallmarks of chemical | addiction with even a moderate amount of daily screen time. | All of this is greatly decreased and comes very close to | being a model citizen when we reduce his screen time down to | only that which is required for his school work. | | And somewhere in there is the fact that human adolescent | brains were not designed by evolution to sit indoors all day | look at screens or books. | Wowfunhappy wrote: | > Maybe those people telling you to limit screen time have | different observations than you. It really depends on the | individual child and my wife and I have first-hand | experience with both ends of the spectrum. | | But for those observations, is the problem the _screen_ or | what is _on the screen_? As a society, I 'd like us to | focus less on the former and more on the latter. | | A screen is just a window that become anything, and I don't | see why it should be inherently more or less educative than | any other experience. | | Let's say in the future we get perfect VR headsets that can | perfectly replicate every sense. Would the conversation be | different? | A4ET8a8uTh0 wrote: | Well, I agree that the issue needs careful examination. Not | all screen time is created equal. That said, to an average | person, screen time does not really equal educational | applications, writing code or even reading. Instead, to most, | it tends to mean Facebook, Netflix, Youtube, and increasingly | creepier games designed to suck you in and bleed you( or your | parents ) dry. | | I am saying this as an expecting parent. My parents were | raised without TV and there is a clear difference on how they | processed the information presented to them. Heavens know I | do not process it the same way what with being basically | raised on internet and tv. | | In short, I do not think we should move on. I think it is | worthwhile to ask more nuanced questions than 'is screen time | bad-discuss'. | jedberg wrote: | Yeah me too. Anecdotally with my two children, they make huge | educational jumps every time we increase their screen time. | | Screen time for us was playing games with an educational | value and watching TV with at least some educational value. | | Recently we've started letting the five year old watch TV | purely for entertainment, and the three year old sometimes | watches too, but even then, both of them suddenly got a lot | better at storytelling and coming up with their own original | stories. | | So even "pure entertainment" seems to have educational value | for the kids. | | The rule in our house is that you can't use a screen if the | sun is up unless it's a weekend. That seems to be a good | balance (although under the current conditions that's | flexible if the screen is for an online class). | ryandrake wrote: | I think it's irrational. "Screen time" is today's Dungeons | and Dragons and heavy metal. People are doing things | differently today than I did at that age, therefore it's | bad and needs to be limited. | rxhernandez wrote: | As a millennial who spent most of the past decade behind | a computer screen (and probably the previous decade | before that inside of books), I mourn the time I lost | that could have been spent interacting with the world. | | Moreover, maybe both sides are right? Maybe you need | heavy "screen interaction" to be successful in this world | and maybe too much time is being consumed by screens | rather than physically interacting with the world. Maybe | there is a balance that isn't close to being struck by | most. | | Maybe I would like my future children (if I have them) to | interpret the world largely through their own eyes rather | than a clickbait interpretation manufactured to get more | money. | noir_lord wrote: | I love the fact that my generation (nearly 40) and the | one after me both grew up playing ultra violent games and | listening to rap etc and yet the crime statistics for | violent crime are lower than they've been for about a | century. | | Schadenfreude on that one. | jrochkind1 wrote: | You started out I was expecting you to be very liberal with | 'screen time', especially agreeing with the GP who seemed | the same. But: | | > The rule in our house is that you can't use a screen if | the sun is up unless it's a weekend | | I think that's actually limiting screentime more than most | US households, you aren't actually on the "no need to limit | screentime" side at all! | jedberg wrote: | It's important to note that we are night owls. The kids | have TV basically from 7pm (when I turn on Jeopardy | regardless of sunset) until they go to bed around 11pm. | And during the current situation, sometimes they go to | bed around 1-3am. | | So they actually get a lot more screen time than most of | their peers. | noir_lord wrote: | Yeah, we've shifted to later as well, I'm a night owl by | inclination, the boy seems to be as well, he'll crash | from 3am til 12pm then get up. | | Given he's happy I'm not rocking that boat. | tasuki wrote: | Five and three year old go to bed around 1-3am? I don't | necessarily have an opinion on that, but it surprises me | :) | jedberg wrote: | They also wake up around 11am-1pm, so they still get 10 | hours of sleep. :) | | Turns out not every kid loves mornings! | eanzenberg wrote: | I think limiting screen time is to allow young kids to | concentrate on tasks for longer periods of time. This is | recommended by most pediatricians. | | Our kids, who are home with us and in the same room as | where both me and my wife work, are able to play by | themselves for the most part every weekday from 9-12pm. | deeblering4 wrote: | My partner and I were just having a similar conversation. | About how we "feel bad" when our child uses their tablet a | lot in a day but we're not quite sure why. | | When using the tablet they are playing educational games | about sorting/identifying shapes and colors, painting by | numbers, solving puzzles, etc. | | Or watching/listening to songs that are teaching them | colors, numbers, letters, etc. And dancing around because | they like the music. | | These are drilling home lessons in a fun and repetitive way | that we simply could not do for our child otherwise. And | we've seen educational jumps from it too. | | Plus, let's be real, I make my living through a screen. So | why is "screen time" stigmatized as a bad thing? | | I've come to the realization that screens are not an evil | thing to be minimized at all costs. They are the most | powerful tool of the modern age. | | It's just important to get some exercise and fresh air too. | goostavos wrote: | Eh, I'm in camp "limit their screen time" if the screen time | is all junk food. I also don't have kids, so what do I | actually know? :) The only context for this opinion knowledge | of the army of adults whose job it is to "maximize | engagement" and give little dopamine hits. | | Some apps just seem predatory. | jedberg wrote: | > Some apps just seem predatory. | | Oh boy are they ever. We spend a lot of time curating the | kids' screen time. We try every app first. | | Youtube Kids is banned. Youtube's AI sucks at vetting | content and they refuse to put humans on the job. | | The apps from PBS are all gold. Disney+ has so for proven | to be good at making sure all the content is kid | appropriate. | falcor84 wrote: | YouTube Kids also lacks an option to disable Autoplay, | which makes it pure evil in my eyes. | jedberg wrote: | Amusingly PBS kids is the only streaming app I've seen | that doesn't ask "are you still there". We've left that | one running overnight by accident and it just keeps going | and going. | rorykoehler wrote: | I dunno why we can't just hand select any video from | youtube for youtube kids? I don't need youtube algos to | recommend bullshit to my kids and I don't need youtube to | control what i show to my kids. | jedberg wrote: | You can create a playlist if you want to hand curate a | list. But the whole reason I use streaming services is so | I can pay someone else to curate the content for me. | rorykoehler wrote: | I can't put a playlist into YouTube kids. I tried. | jedberg wrote: | Here's a video on how to do it: | | https://www.youtube.com/watch?v=AjKmQwhSk1s | | It's not exactly a playlist, but you can hand select | content. | rorykoehler wrote: | Thanks will check it out. | | Edit: I watched the video. I'll have another look on the | app tomorrow but I'm pretty sure that video does what I'm | complaining about. The catalogue is pitiful. I just want | access to all of YouTube. It's not a big ask but they | won't make $$ off of Showing adult videos to kids so they | won't offer that. | sigfubar wrote: | It's the parents' job to teach kids how to tell junk food | from healthy food; predatory apps from apps which add | value; "you're the product" from "you're consuming the | product". I do this with my kid, and technology is a boon | for her. However, most adults aren't qualified to make the | distinction between good and evil, so their kids suffer | too. | eanzenberg wrote: | Lots of "teaching" is literally excluding from | consumption for young kids. Parents know better than | their kids, why entrust that kind of advanced decision | making within them? | filoleg wrote: | >Lots of "teaching" is literally excluding from | consumption for young kids | | Sure, I agree with you. Limit what they have access to | while using the screen, but not the actual screen time. | | Somewhat analogous to the difference between limiting | junk food from kids' diets vs. making them go full vegan | and doing intermittent fasting. | eanzenberg wrote: | Like most things moderation is key. | JoshTriplett wrote: | > why entrust that kind of advanced decision making | within them? | | Because then there's a hope that they'll actually learn | the underlying principle and make similar decisions in | situations where someone else is not directly in control | of their behavior. | | There are kids who don't get to eat ice cream before | dinner at home because that's the rule, who will happily | do so when over at someone else's house without their | parents around to enforce that rule. Then there are kids | who actually understand _why_ they shouldn 't eat ice | cream before dinner, who will decline to do so even if | they have the opportunity. (That doesn't mean they'll | exercise perfect judgment every time, but then, there's | also no guarantee they'll follow rules that aren't being | enforced.) | | It's important to develop the critical thinking skills to | filter out "junk food" content. | | (To clarify: I'm not talking about children too young to | understand the concept, I'm talking about children more | than old enough to make such decisions in an informed | way. Roughly speaking, think 12, not 3.) | acituan wrote: | > It's the parents' job to teach kids how to tell junk | food from healthy food | | I agree with the sentiment, but an important point is not | the forget that behind the curtains there is an army of | product managers, AI PhDs and tons of data running a | version of Truman Show on each one of us. Usually "you're | the product" is blended with "you're consuming the | product that adds value". For example, you can search and | land to a video to watch something educational, but | opaque recommendation algorithms, un-turn-offable | autoplays, nagging notifications and whatnot will try to | convince you like an optimally-annoying salesman to stay | just a little more and pay them in attention and ad | revenue, or get you those dopamine hits so that you will | want to come back to "just check" the app in a pavlovian | fashion. | | Whenever you or your kid interact with a screen, you are | potentially interacting not only with a machinery with | inherent information asymmetry but also one that we train | every day exactly how much abuse we are willing to take. | For further reading see Tristan Harris and the design | ethics questions he brings into light. | egman_ekki wrote: | There's a really interesting book called Digital Dementia | that describes effects of modern digital tools on our brain. | I'm not saying it's 100% correct, but interesting read | nevertheless. | eanzenberg wrote: | >> Generational skepticism of new technology is played out. | Can we move on yet? | | Is it, though? Spending lots of time in front of a TV is | still considered harmful as it was half a century ago. | gfxgirl wrote: | I totally agree with you. | | I also think we might want to compare. I suspect 150 years ago | most people stared a shovel 34 years of their life or a clothes | washing bowl etc.. | nixpulvis wrote: | You can make it out to be whatever you want. But there _is_ a | physical difference between a screen 's light emissions and the | light perceived from paper. I've always been curious exactly | _how_ much different, but anyone claiming otherwise is suspect | in my eyes. | Footkerchief wrote: | Your intuition is correct. Even if they have the same | apparent color, two light sources can have drastically | different spectra, which is perceptible. Some info here: | https://en.wikipedia.org/wiki/Color_rendering_index | nsxwolf wrote: | Drooling too? Or just staring? How about "looking at", | "watching", "reading", or just "using"? | ryeguy_24 wrote: | Haven't we also gained 34 years in longevity in the last 100 | years? So, net net we are good? :) | | More seriously, what types of activities did screens replace? Was | it talking to other people? Physical activities/labor? Reading? | Nothing? | srl wrote: | I know your first comment is mainly in jest, but... | https://www.seniorliving.org/history/1900-2000-changes-life-... | | For white folk in the US, even the life expectancy at birth | (arguably an inflated metric) hasn't increased by 34 years | since 1900. For all people in the US (basically everywhere | else, too, I think), that ~30-40 years is dominated by | infant/youth mortality getting driven hard towards 0. | jayroh wrote: | Ugh, I did not need to see this today :( | scollet wrote: | Ironic | chadlavi wrote: | speak for yourself, some of us are definitely above average | | >_> | redsymbol wrote: | Aaaand now I feel the sudden urge to get away from this screen | and go walk through some trees. I'll see ya all later. | 2OEH8eoCRo0 wrote: | I'm an ape man i'm an ape ape man no i'm an ape man | | https://www.youtube.com/watch?v=aRHqs8SffDo | onion2k wrote: | I'm happy to be above average at something at last. | austinshea wrote: | Staring is an embarrassing word for this person to have imposed | upon the actual study. | | Science journalism is a real problem. | patrickcteng wrote: | So, as a child my mom always insisted on me reading with lots of | lights turned on. She claimed that reading the dark causes short | sightedness and etc. | | Now, as an adult, I find that I have my screen's brightness | turned up way more than my peers. For example, although it's | currently very sunny right now in LA, I have my brightness turned | up 100% on my 16" MBP. Though, in the evenings, it's more | comfortable at 3 or 4 steps down from 100%. | | I can't help but to wonder -- did she condition my eye to be less | sensitive to light and have thus slightly ruined my low-light | vision? | kingbirdy wrote: | Why wouldn't you have your brightness at 100% if it was sunny? | You need the backlight to be bright to avoid it being washed | out by sunlight. It would be weird if you said you used 100% | brightness in the dark, but that's perfectly reasonable when | it's sunny. | jedberg wrote: | Protip for everyone, since I've done a lot of research on this: | | If at all possible, cut the blue from your screen at all times. | | I use flu.x [0] and even during the day I set my color temp to | 5800K instead of the standard 6500K. You won't notice the change | much, but it will make a huge difference on how tired your eyes | get. | | I also go down to 1850K at night (candlelight basically) to both | ease strain on my eyes and not mess up my sleep. It makes a | noticeable difference. | | [0] https://justgetflux.com | jabroni_salad wrote: | I set mine to 3800K for 24 hours a day. Even during the day | under florescent lights and an open window, if I have to toggle | it off for any reason it feels like my eyes are being stabbed | with tiny knives. | | I don't know about the sleep stuff (is that hard science yet?) | but I personally definitely staved off eye strain and dry eye | issues with f.lux and no other changes. | jedberg wrote: | > I set mine to 3800K for 24 hours a day. | | Sometimes when I travel to the other side of the planet but | don't update my laptop clock, it goes into "night mode" | midday. I can use it but I find it jarring with the natural | light. | | > I don't know about the sleep stuff (is that hard science | yet?) | | They have links to studies on the flux page [0] although I'm | not sure how much of that is peer reviewed or if the sample | sizes are big enough. | | I know that it makes a difference for me. My sleep quality | went way up when I started using flux, and it goes down when | I look at screens without it too late at night (like my not- | so-smart-TV). | | [0] https://justgetflux.com/research.html | nsilvestri wrote: | I've had sunset-synchronized f.lux/redshift for 7 or 8 years | now. Turning on redshift during work revealed I had pavlovian | conditioned myself into getting sleepy when the blue light goes | away. | jedberg wrote: | Hah! Never thought about that side effect. I did both at the | same time so never experienced that. | | Good to know. | M5x7wI3CmbEem10 wrote: | any thoughts on blue light glasses? or setting your screens to | grayscale? | jedberg wrote: | > any thoughts on blue light glasses? | | I tried them. They worked well enough, but I don't like to | wear glasses so I stopped. Also I didn't like how they cut | _all_ blue light, including the blue from the sunlight. It 's | important to get blue light during the day to help your body | regulate it's sleep hormone production. | | > or setting your screens to grayscale? | | That's orthogonal. The white part of the grayscale still has | blue light in it. Grayscale is good for helping with | attention issues, but not blue light issues. | M5x7wI3CmbEem10 wrote: | why attention? | jedberg wrote: | The OS likes to use color to grab your attention. Red | notification dots, bright orange tabs (like on HN), etc. | | By going grayscale, it limits how much attention the OS | (or any other app) can grab your attention with color. | | I tried it, it annoyed the heck out of me, so I went | back. But it did work -- it made me less interested in | using my devices. | avgDev wrote: | Average Adult Will Spend 60% of Their Existence With Their Eyes | Open. | jrochkind1 wrote: | Oh, I can totally beat that and do way more than 34 years. | scottLobster wrote: | So a few minutes ago I wrote code for a company, producing | economic value. Last night I kept up with family, maintaining | healthy personal relationships. Right now I'm engaging in | intellectual discussion of major issues with other people. And | last night I watched an episode of Mr. Robot, engaging my brain | with a stimulating story. And yes, sometimes I just look at | animal gifs on imgur. | | I see no problem continuing any of this for 34 collective years. | gowld wrote: | How much of that time was caring for your eye health so you | don't go blind early? | sekai wrote: | With that logic, 10% WOW players from 2009 would be half- | blind, but they're not | ImprobableTruth wrote: | Is there anything to indicate that excessive screen usage can | cause blindness? Especially since LCD aren't that bad | concerning eye strain. | kart23 wrote: | I get pretty nasty headaches and my eyes start hurting | after looking at monitors with PWM backlights. Some of my | screens are fine, some begin to hurt my eyes after an hour | or so. | scottLobster wrote: | I'm 32 and needed glasses for the first time last year, just | mild nearsightedness which runs in my family, and I'm | actually doing better than most (my mom and sister both | needed glasses as teenager). | | I eat healthy/exercise and use dark-mode themes where | available to minimize glare. That's it's for eye health. I | wonder if the negative association of eye health to screen | time is less about the screens and more about high blood | pressure brought on by being sedentary. High blood pressure | absolutely destroys the eyes over time. | carlisle_ wrote: | This seems quite sensationalist. | sinity wrote: | You don't go blind from staring at a screen. Claims otherwise | are the same as 5G conspiracy theories. Photons are photons. | | You might get issues from focusing at the same distance all | the time. Or that theory about dopamine may be true - but if | anything, screens are an _improvement_ over things like paper | books. And it applies to adolescence anyway. | | And nearsightedness is not anywhere near going _blind_. | stevebmark wrote: | Part of how myopia works: When your peripheral vision is in focus | too much, because something is close to your face like a screen, | your eye (which grows on its own, without brain involvement), is | told to grow longer to to help reduce the over sharpening of the | world it thinks it has. | | This happens in developing humans, at some point in adulthood | it's suspected this stops (although some people see worsening | myopia past the typical age range where it stops). | M5x7wI3CmbEem10 wrote: | would it help to keep your phone or monitor further away? | stevebmark wrote: | Having less focus in your peripheral vision might help slow | myopia progression, so possibly. However wearing glasses and | contacts automatically add more focus to peripheral vision, | signaling the eye to grow. So moving something further away | from your face while wearing glasses or contacts may have | less of an effect. Having periods of blurry vision, like | looking at something far away for some time without glasses | or contacts, may be beneficial in that it may signal the eye | to become less football shaped to help correct for the | blurriness it now is experiencing. However I haven't seen any | evidence this can reverse or improve myopia, rather this just | seems to slow its progression. | veddox wrote: | > Having periods of blurry vision, like looking at | something far away for some time without glasses or | contacts, may be beneficial in that it may signal the eye | to become less football shaped to help correct for the | blurriness it now is experiencing. | | I literally just had that yesterday, and was wondering what | it was. My eyes have always been very good, but I have been | a bit worried of late after a few such blurry episodes... | stevebmark wrote: | no, I mean intentionally unfocusing your eyes by looking | at something far away without wearing correction. | Involuntary blurriness or double vision is unrelated. | ttizya20 wrote: | phd's will spend 5 years starring at paper | GaryNumanVevo wrote: | Some good tips to prevent myopia: | | - 30/30/30 rule: Every 30 minutes look at something 30 feet away | for 30 seconds | | - Take regular walks outside: it will lower your blood pressure, | and expose your eyes to violet light | | - ensure brightness of environment closely matches brightness of | screen to prevent eye strain | matthewfelgate wrote: | We spend 34 years of our lives staring at computer screens. | | The rest of the time is just wasted. | fgnewsom wrote: | GAVIN NEWSOM NEEDS TO GOTO JAIL! FUCK HIM! | mchusma wrote: | Average adult will spend 34 years with a miracle portal into | infinite knowledge and possibility. | tbizz9000 wrote: | YES, it is indeed wednesday... my dude | karatestomp wrote: | Hardly. Scratch most topics past the surface level and _if you | 're lucky_ the Web can find you the book you need. Usually | though you'll need to find the best book the Web can find you, | then use that book and/or correspondence with experts to find | the ones you actually need. | | The problem seems to be a mix of tons of stuff just not being | on the Web yet, even decades in (some of it's in ebooks, | though, yes, but a whole lot isn't) and Google having given up | on "organizing the world's knowledge" or whatever their | supposed mission was (now it's plainly "organize the world's | advertising dollars into our bank account") so it may be there | but good luck finding it. | akiselev wrote: | Thirty years ago you couldn't scratch past the surface of | more than a few dozen topics based on your local library's | availability, _if you were lucky_ to have a decent one to | begin with. | | Between libgen, scihub, Google Books, Project Gutenberg, | torrent sites, and the rest of the internet we've got access | to almost all of the world's knowledge _for free_ with plenty | of avenues to interact with experts using a variety of | different channels for knowledge that hasn 't been put to | paper yet. | karatestomp wrote: | Making piracy easy _has_ been super-helpful. Libgen doesn | 't have (anywhere near) everything but it's great for | surveying a field and picking up some portion of the must- | have resources. | | > access to almost all of the world's knowledge for free | | I'd guess we've got access to ~10% of it (but it's a good | 10%!) for free, ~30% paid (but usually piratable!), and the | remainder unavailable as a paid electronic resource but | _maybe_ (often not) as a paid paper one and _maybe_ (often | not) available pirated--maybe you can at least _locate_ or | _learn of its existence_ with the Web, but possibly it 's | totally unknown to the Web outside of maybe a reference in | some books that happen to be digitized (this does actually | happen, though you do usually have to get a _little_ | obscure before it does, but sometimes not as obscure as one | might think). | | [EDIT] to be clear I think the Web is an excellent research | tool, _however_ an awful lot of its value in that role is | from piracy (saving me, say, having to inter-library-loan | or buy a book just to find the books that book name-drops | in its preface, or to read one relevant chapter, or to see | the book 's index so I can find out whether I need it in | the first place). I think its containing anything like "all | the world's knowledge", even for liberal values of "all", | is far from true, and there's a risk of thinking if | something exists it's _probably_ available as a digital | resource delivered over the Web (far from true), and if it | doesn 't then surely it's at least possible to find out | about its _existence_ on the Web (also not true), and if | neither of those are true it must be something of no value | whatsoever to anyone or wildly obscure (not true). | | [EDIT EDIT] then even if it _is_ on the web, it can be | really hard to find something that 's not on one of a few | major sites using search. More so than it used to be. It | can take so damn long that pirating and reading a book on | the topic on Libgen can be faster than finding the same | info on the open web, even if it's there, which is pretty | damning of the state of web indexing. As I wrote in another | comment on this thread, it was once possible to be fairly | sure when one had reached the edge of Google's knowledge | and the thing you're looking for _was not_ in its index-- | such certainty is now almost impossible, mostly because of | how Google search (and seemingly all other web search | tools) has changed, not because of increased total content. | asdff wrote: | Proportionally, it might not be much better today. Maybe | 1/100,000 books is exactly the piece of information you | need. Certainly the rest of the books aren't total crap | either, they at least passed that bar of getting the book | published and making some sense. I wouldn't be surprised if | the signal to noise ratio on the internet today wasn't | 1/billion web pages with all the automatic SEO crap and | misinformation out there today. The sites and resources you | listed are popular in tech circles, but are not mainstream | at all. Then again if they were, they probably wouldn't | exist as we know them, if at all. | castis wrote: | Google, for all its current problems, _has_ made organization | of the worlds knowledge vastly better than it was before they | showed up. | | I could be wrong but just surrounding the field of software | development, there's probably already more relevant | information on the internet than I could possibly consume in | my life. | rfdearborn wrote: | Approximately once per week I observe a comment on HN saying | approximately "search doesn't work anymore." Why is this? Why | do I only observe such complaints here? | karatestomp wrote: | Lots of people here who were and remember being "good at | search" and able to make exactly the thing they're looking | for shoot to the top 3 spots on the results screen and | being able to craft a series of searches such that, if they | all failed, one could be _pretty damn sure_ the information | wasn 't online or at least was hidden from the Google bot, | neither of which are really possible anymore. The 100th | time one attempts to find something on Google that one | _knows_ is there but just _cannot_ get to show up no matter | how many rare keywords one uses, one concludes Google has | lost some pretty significant utility it used to have and | starts to wonder what one is not finding when one _doesn | 't_ know exactly the page one is trying to find. | | (of course it may be better for lots of other things, but | for a fairly large set of "finding things on the Web" tasks | it's _way_ worse than it used to be, to the point of being | nearly useless--in part I think this is because sometime | around 2008-2010 they stopped trying to fight webspammers, | choosing instead to embrace some set of them provided they | play by Google 's rules, and downrank anything that wasn't | "well-behaved" webspam or well-known sites _hard_ ) | bityard wrote: | I definitely remember a time when Google was much, much | better at returning relevant results for technical | content. My feeling is that there are (at least) two | factors at play: | | 1) Google and other search engines revised their | algorithms more than a decade ago. Instead of showing you | results for what you searched for, they now show you what | they _think you meant_ based on your search history and | the search histories of millions of other users. This | means searching for uncommon topics and phrases get you | useless results. And you can't disable this functionality | because it's baked into the core of how Google indexes | and categories the content that it slurps up from the | web. | | 2) Blogspam authors and e-commerce sites have gotten SEO | down to a science, to the point where searching for | nearly _anything_ not super specific no longer gets you | _information_ about that particular thing, it gets you | blogspam articles filled with fluff and affiliate links, | or half-broken e-commerce sites trying to sell you | something vaguely related to what you searched for. This | is not technically Google's fault but there is a lot they | could do to curb this, but all that ad revenue on those | sites is how they earn that sweet sweet lucre. | karatestomp wrote: | > This is not technically Google's fault but there is a | lot they could do to curb this, but all that ad revenue | on those sites is how they earn that sweet sweet lucre. | | That had been going on for years, but there'd be clear | times when Google got ahead of it and results would get | much better for a while, and because search was so much | more precise it was possible to work around the spam. | That those good times stopped happening and results are | now a consistent and fairly high level of "spam-filled" | by content that's seemed pretty much the same _sort_ of | crap for years, leads me to conclude they stopped trying. | IIRC right around then they stopped the "no no, our ads | our different and good, they're just text and always | formatted the same way so it's easy to tell what they | are" and became just another banner ad slinger. | | [EDIT] just mined Slashdot for that last bit, looks like | that happened around the last half of '07, which roughly | checks out with my recollection of Google search abruptly | getting much worse around '08-'09 then never getting | better again. | joefourier wrote: | That's an awfully pessimistic view of things. I've studied | some fairly obscure corners of computer science and the | Internet has allowed me to get instant access to mountains of | scientific papers, a huge variety of books (many of which are | out of circulation), incredibly high-quality courses on | maths, DSP, algorithms and the like. | | Previously I would have had no way of accessing any of that | information unless I happened to be at the right university | with the right department, or in some high-level research | institute. | karatestomp wrote: | Certain fields are much better off than others. One might | expect that CS would be among the best-represented on the | Web. | dplavery92 wrote: | I've definitely felt and experienced the situation you're | describing, but I think you might be painting with too broad | a brush. | | Sources like ArXiv, Google Scholar, and Semantic Scholar have | made it really easy for me to access tons of deep, | academic/professional level knowledge in my field | instantaneously and for free. I know that Physics, Math, and | Computer Science are relatively uniquely privileged when it | comes to ArXiv, but even paywalled journals are _more_ | accessible in the internet age than they were before. I 'm | even able to find public-released technical info from the DoD | through DTIC that I don't think I would ever know what to | request without having it come up through search engines. | | Likewise, tons of undergrad classes through MIT and the Ivies | are available for free on Youtube; more still are available | with exercises and some form of certification through | services like Coursera, EdX, and Udacity. Some graduate and | professional-level courses are starting to come online | through these institutions as well; the Institute for | Advanced Study has started releasing its lectures on Youtube | over the past few years. | | I can find manuals for my car, my appliances, and all my | electronics online. I have access to all sorts of do-it- | yourself how-tos on Youtube when I want to do work around the | house. I have StackOverflow for when I have challenges with | programming languages and tools that aren't clear from the | docs, and the rest of the StackOverflow network when I have | questions that are more specific to my problem domain. | | There's more throughout all sorts of fields: instant | translations with Google translate and langauges lessons | through DuoLingo, Rosetta Stone, et al; music lessons on | Youtube, etc. | | Again, I've been through the experience where some older | materials just aren't as available as I'd like, and where the | normal search tools only bring you part of the way. But I | think you're taking a lot for granted here. | eyko wrote: | It's not for us to judge what sort of information constitutes | knowledge. | VBprogrammer wrote: | I'm not sure about that. The topics I want to dig into I | usually find it's harder to get the level of depth I want on | a topic in book form than I do than to find videos on | YouTube. | | Some random examples: | | - I'm interested in turbine engines, AgentJayZ has a while | host of videos taking real turbine engines apart, talking | about obscure features like compressor variable valve vanes | etc. | | - Plumbing, almost everything I've ever needed to know about | plumbing has been available from PlumberParts / dereton33. | | - Woodworking, I basically learned everything I know from | watching people like Matthias Wandel. | | - Recently I've been digging to electronics, I have an | excellent book "Practical Electronics for Inventors" but | every now and again I need to hear a different take on the | same things and invariably there is a good video or article | which clears it up for me. | | What's more, to get the level of detail these guys show for | free in book form would mean investing in some seriously | expensive books, most of which hide the interesting parts | under a lot of uninteresting maths. | gibolt wrote: | What a great point. If I want to know how to do something | physical, or learn how a piece of hardware works, YouTube | is the place. | | Since it is Google, how awesome would it be if videos also | had related web searches attached to them, instead of just | related videos. How-tos could have links to the original | manual, the most detailed maintenance manuals, or patents | and blogs detailing the physics behind how that thing | works. Probably not going to happen and would only be for | power users, but it could be so powerful. | karatestomp wrote: | Oh yeah, for the subset of content that is "watch an expert | do a thing" the Web has become _extremely_ good. Nothing | before touches it. In part I think it 's remained so | because almost all the content is on one site--there's no | web search involved in finding it at all, you just search | Youtube (which is owned by the main company that might help | you find videos on other sites). If Google'd found a way to | reward putting academic & deep cultural-knowledge material | on a platform they owned such that they had a near- | monopoly, perhaps that site would be good. The web at-large | might remain basically useless for it (or, probably, even | worse, as everyone went to that single platform) such that | it depends on one's perspective whether it's the _Web_ | delivering value or just _Google 's platform_ that could be | served just about any damn way at this point (if they | decided to transition over to a new non-Web protocol _just_ | for Youtube and put it in Chrome they might well succeed in | forcing everyone else to adopt it) | pharke wrote: | Due to the changing nature of the web I'd even say that the | sum total of useful information is actually decreasing year | over year. I believe we hit an inflection point a decade or | more ago when the number of people with specialized knowledge | and skills who were publishing information about their domain | online was surpassed by the new "content creators" whose | primary goal was to optimize for clicks and ad revenue. This | is unevenly applied across different areas of knowledge, the | amount of information about computer and media related topics | has increased but other areas seem to have realized a sharp | decrease. I don't have any hard numbers to support this, only | the feeling of it becoming increasingly difficult to find | expert information in many areas. More and more I have to | resort to public domain books as the only substantive source. | There's just a general sense of something deeply wrong with | the current state of the web. | nbardy wrote: | Even if the content creators overwhelm the rest of the | crowd now, you can still find experts and their content | continues to pile up. For example, iq of internet graphics | is still adding incredible content to his site 10 years | later. https://iquilezles.org/. He's not the only example | of this. There may be a higher noise to quality ratio, but | the quality content is still growing, you just have to get | better at tuning out the noise. | asdff wrote: | Discoverability is still hard when noise increases by the | day, and search engines have become useless to find | anything meaningful that isn't playing the SEO game. | SubiculumCode wrote: | This might be field dependent. All my research is based on | scientific journal articles and reviews, which are | electronically available, and books are more vanity affairs | youareostriches wrote: | Surely you started with textbooks. | SubiculumCode wrote: | College textbooks in cognitive sciences are the epitome | of "scratching the surface" | marcosdumay wrote: | "A screen" is not "the web". | | That book will probably be in a screen too, since it's way | too hard to carry it around on paper. | | Even "correspondence with experts" will be on a screen. | JSavageOne wrote: | Realistically the majority of that time is spent working for | some company, writing mundane CRUD applications and gluing APIs | together | SketchySeaBeast wrote: | And will use that infinite potential to binge watch Friends for | the 11th time. | dvtrn wrote: | I'll have you know this is a Star Trek: Deep Space Nine | household, and we are on our _12th_ rewatch of the Dominion | War, tyvm. | pintxo wrote: | If Netflix ever adds Spin City to their catalogue I will be | in trouble. | sergiotapia wrote: | watching newsradio here, with rpcs3 classics on the | second monitor | dvtrn wrote: | Let me tell you how much productivity I got back when | they took Frasier off last year. | Apocryphon wrote: | Newsradio for this guy | cableshaft wrote: | I have a folder of the entire series of Newsradio that's | been played in the background (while I do other things, I | don't even watch it, just listen)... sooo many times. | Corner Gas is the only other show I've played as often. | matwood wrote: | I'm going through TNG right now, and the stories still hold | up very well. There are a lot more useful lessons in them | than I remember when watching as a kid. I really do like | the humankind aspirational nature of the show also. | SketchySeaBeast wrote: | I went through TNG again a while ago and I was struck by | how much I'd forgotten, and how I'd kind of lost my way | in terms of my beliefs. I grew up wanting to be like | Picard, and watching them again reminded me of that. | bityard wrote: | I grew up on TNG and I'm now re-watching it all with my | daughter. The first season is just as rough as I remember | it, but I love how much of the core themes and character | of TNG they got absolutely right from the very first | episode. | | One thing about the show that struck me is that I'm | amazed at how inter-personal communication has changed | over the decades. I thought I remembered everyone being a | lot more easy-going when I was a kid and then decided | that I must have imagined it. But no, sure enough, right | there on Star Trek you see the characters poking light | fun at each other not long after they first met, even in | a military setting. | | Today people seem to take themselves much more seriously. | You have to be a lot more guarded and diplomatic, | sometimes even with people you know very well, otherwise | you risk alienation or embarrassment. I know TV is not | reality, yadda yadda, but there's a kernel of truth in | there somewhere. | SketchySeaBeast wrote: | It might be part of the TV era, but I imagine having | people who aren't constantly on the defensive would fit | into Gene's vision of a better tomorrow. If you can | assume that everyone in the room is on the same team and | wants the best for everyone, you probably would feel less | offended by gentle jabs. | smegger001 wrote: | only your 12... i may have problem. | Skunkleton wrote: | Deep Space Nine is probably my favorite TV series of all | time. I've only watched it twice though. Probably gotta | step it up if I am going to hang with this crowd. | gfxgirl wrote: | I have a large collection of movies and ripped them all to | Kodi. I was going though marking a bunch as watched and I | started to get slightly upset at myself as I marked each one | and thought "watched that one 8-10 times, watched that one | 5-6 times, watched that one 3-4 times, watched that one 5-6 | times, etc etc. for many many movies. And there are TV series | I've watch multiple times as well. So much time. Sure I | enjoyed it but counting it all up is still shocking what else | that time might have been used for. | SketchySeaBeast wrote: | If you assume that rest time had no value, possibly, yeah, | but we have fun for a reason. Productivity can't be the | only thing in our lives. | volune wrote: | The medieval peasant spent how much time staring at dirt? | groby_b wrote: | Few of them stared at brightly glowing dirt, though. And few of | them continually stared at dirt a foot or two in front of their | faces. | | There's debate how much damage that difference causes, but | pretending there's no difference is an unhelpful approach. | throwaway8941 wrote: | Tone down your brightness then? I use heavily customized dark | themes absolutely everywhere, and my screen is hardly | brighter than dirt. I have no problem looking at it for 30+ | hours straight (though I don't do this anymore for other | reasons.) | acituan wrote: | Hominids spent 7 million years evolving on that "dirt" they | stared at. | aupchurch wrote: | These stats always freak me out when you extrapolate it over the | long term. The average adult will also spend 2 years commuting or | an entire year of their life sitting on the toilet. | | Lot's of wasted time here people. I think this also shows the | power of what we can accomplish by spending 10 minutes a day | doing something. | woobar wrote: | If they sit on the toilet while staring at the screen, what | bucket these years are assigned to? I.e. these extrapolations | could result in multiples of your lifespan. | maerF0x0 wrote: | It can be quite difficult to convert random time savings into | valuable time. | | 1) Is marginal free time actually converted to value (eg, | Quality study time vs TikTok infinite scrolling) | | 2) Can Marginal free time be chained into valuable blocks | (saving 1 minute commuting such that you're 2 more minute earl | y for 30 appointments, you cannot chain that into a 1 hour | study block. | | Edit: I will say Ankidroid has helped me get some value out of | random deadspace though. | kazen44 wrote: | why would spending time on the toilet be wasted time? | | actually, sometimes, doing practically nothing is very valuable | for one's state of mind. | jliptzin wrote: | This was already true for people I know who were watching TV all | day since the 70s | napster4lyfe wrote: | time well spent, imo | nemo wrote: | I used to spend a lot of time in book/magazine/paper reading. Now | I read off screens mostly. 34 years of my life spent reading | would be time well spent regardless of the medium. | sunstone wrote: | Formerly the average adult spent 34 years staring at text on the | printed page. | derekp7 wrote: | This article is about the effects of eye strain, not the overall | mental health of looking at content on a screen. | | With that in mind, what is it about a screen (emitted light) that | is worse than outdoors reflect light? One item I can think of, is | that looking at something with reflected natural light, the iris | contracts based on the total amount of light hitting it. Whereas | a screen may be brighter than the ambient light in the room, | causing more of a point source of light to hit the retinas that | would normally happen (which is why I've always found it more | comfortable to watch TV with some other light on in the room vs. | the room in total darkness). | volkk wrote: | i dont know whether this is accurate, but i've found lighter | color schemes for coding muuuch more pleasing on my eyes than | extremely dark/contrast-y ones | ishjoh wrote: | My optometrist mentioned that one big problem with being in | front of a screen is that the focal depth is close and | constant, and that can cause headaches and other issues. She | recommended I stare out a window or make a conscious effort to | look into the distance for 10 minutes every hour. | nerdponx wrote: | This is what I've always heard as well. Your eye muscles end | up "fixed" in a small range of positions, whereas with | looking at stuff off-screen (and especially outdoors) your | eye muscles do a wider variety of movements. | manmal wrote: | Screens are optimized for energy efficiency, so their emissions | are restricted to a narrow range of visible frequencies. They | don't even really cover the whole range of colors, but mix them | by combining RGB, which isn't the real thing. Eg you can make | something looking like violet light by mixing blue and red, but | it's not the same thing as the ,,real" violet. | | Sunlight, however, is a wild mix of broadband EM emissions | across basically the whole spectrum, as you'd expect from a | glowing ball of plasma (halogen bulbs are actually similar in | that regard, they need and do have a UV filter). About a third | of the sun's emitted energy hits the earth's surface as near | infrared light, and then there is UV etc. | | Near infrared light is very beneficial, the mitochondria in our | cells can increase their energy output as a direct consequence | of receiving photons in that frequency range. There are lots of | studies that showed improvement of many health conditions | following near infrared or red light therapy. I wouldn't be | surprised if NIR light helped prevent myopia too. | mattkrause wrote: | As far as your visual system is concerned, "real" violet | (e.g., from a tunable laser) and the "fake" RGB violet are | pretty much the same--it's coded as the relative amounts of | red/green or blue/yellow almost immediately after the cones. | bdamm wrote: | Not necessarily. There is a lot of analog in the eyes | beyond the nerves, and we don't know all the effects of | ambient light on the entire eye structure. Even if the | neural impulses end up being similar (and I doubt that) the | eye as a whole organ may not respond the same way. Maybe | that heat energy triggers something in the cornea? We don't | know. | heavenlyblue wrote: | We also can't prove the absence the magical wardrobe with | an entrance to Narnia from our universe, yet many people | would say you are insane if you think it's true. | mattkrause wrote: | I don't disagree that UV and IR exposure may be | important. Variations in UV exposure are thought to | account for changing rates of myopia, for example. There | may be non-image-forming receptors with different | spectral sensitivities for circadian rhythms. | | However, the structure and function of circuits involved | in color representations has been studied to death, and | it overwhelmingly points to a tristimulus model where the | activation of the S/M/L cones matters, rather than the | complete power spectrum of the illuminant. The | sensitivity of rods and cones has measured measured with | exquisite sensitivity, both behaviorally and by directly | recording their electrical activity. Many downstream | neurons in visual cortex get their input from individual | L/M cones (parvocellular pathway). The others (magno, | konio) have a fairly simple mix of inputs from a simple, | spatially organized combination of the cones. In some | cases (especially within the retina), the individual | fibers have been traced and mapped. | | There is a hell of a lot we don't know about the brain, | but the very early representation of color isn't one of | them. If you've got sources saying otherwise, I'd love to | see them. | mattkrause wrote: | (This may come off a bit harsher than I meant. It's just | that I'm surprised to hear someone doubt what I thought | was a well-established principle with lots of data behind | it. If you do have anything suggesting otherwise, I'd | legitimately love to read it. | | If not, WebVision is an excellent resource with a long | chapter about color. | https://webvision.med.utah.edu/book/part-vii-color- | vision/co... | | The Visual Neurosciences is a behemoth too, if you can | find a copy. | M5x7wI3CmbEem10 wrote: | would it help to set your screens to a grayscale setting? | 1e-9 wrote: | It appears that the lack of violet light contributes to | myopia[1]. There is abundant violet light outdoors. | | [1] https://www.nature.com/articles/s41598-017-09388-7 | rafaele wrote: | I wonder if they count staring at "n" screens for 1 hour as "n" | hours. | econcon wrote: | Important thing is, people don't just stare at screen. Many of | them achieve smth else too. | | For example, last week I've probably spent 50 hours with people | front different parts of the word on screen. | | Helping them turn waste plastic into 3D printing filament: | | https://medium.com/endless-filament/make-your-filament-at-ho... | acituan wrote: | > last week I've probably spent 50 hours with people front | different parts of the word on screen | | You've spent time with a _simulation_ of those people, their | voices lossily compressed with a biased frequency response, | their images projected through a non-eye lens on a 2D surface, | their heads bigger and closer than you would have in real life, | while rest of their bodies hidden, with hundreds of | milliseconds delay between interactions. Don 't get me wrong, | it is a very convincing and useful simulation for many | purposes, but it is a simulation nonetheless. | | We might have overlooked this previously, but we will slowly be | gaining an understanding of the effects of sole social | interaction coming through videochat. I know for some, no | matter how many zoom calls they do a day, it doesn't come close | to creating the same relational satiety. | malwrar wrote: | Speaking personally, most of my good friendships growing up | (and even now) were with people online and they feel | perfectly fulfilling and real to me. I've been really | surprised to hear people (who seem to have been forced into | interacting with folks online because of covid) start popping | up claiming that online interactions aren't real and are | somehow invalid or inferior, as your post seems to imply. I | would have thought the presumably largely computer geek HN | crowd would be full of folks with similar experience. | acituan wrote: | > they feel perfectly fulfilling and real to me | | That is the whole point of a simulation. Hyper-palatable | food, cocaine, porn etc. they also feel good and even | hyper-real in our nervous systems in the short term, but | that's not a good way to judge if they pose long term | complications. Though, I'm not saying video chat is | necessarily a hyperstimulus, we don't know yet. | | > claiming that online interactions aren't real and are | somehow wrong | | I'm not saying it is wrong, and in the absence of real | thing it is the rational thing to do. But thinking that it | is the real thing is kidding ourselves and to the extent it | replaces real life interactions, it could have long term | harm. I know this is not an exact comparison, but we have | already seen this with uni-directional audio-visual | entertainment replacing real relationship time. We feel | like our favorite youtubers, podcasters, netflix | protagonists etc are our friends, or at least relationally | worth investing time in (otherwise we wouldn't consume | them). Same might go with the 50 people around the world we | videochat. | quacked wrote: | If you've been reading Baudrillard, you might like the | blog The Last Psychiatrist, which is a less-rigorous, | more ironic take on a lot of similar ideas about | hyperreality. | acituan wrote: | I read both! Thanks! It's a shame The Last Psychiatrist | doesn't update anymore. | ngcc_hk wrote: | Collecting info, react to info, organise info, communicate info | etc. | | Otherwise might as well say we look for our life. It is not | staring at. It is something else. | JSavageOne wrote: | Eye strain is a serious problem and actually becoming a | bottleneck for my productivity. Flux and dark-mode everything are | mandatory, and I recently bought blue-light filter glasses and | can't stare at a computer screen without them anymore. I had been | reading ebooks on my phone out of convenience, but I stopped due | to the eye strain and will revert back to using the Kindle. | | If you spend the majority of your life staring at a screen, don't | take your eyesight for granted. As you age, it will deteriorate, | and it's really not fun, especially when your career/livelihood | depends on you being in front of a screen. | hrktb wrote: | I think we are all in the same boat. For me switching from | reading to hearing wherever the option makes sense helped a | lot. | | Basic news coverage is fine in podcast form, audiobooks work | fine for non fiction (going at 2x or 3x speed doesn't kill the | atmosphere) and it makes a good excuse to exercise while | listening. | abstractbarista wrote: | Good thing I started out super far-sighted. If anything, my | vision has improved with time focusing on close screens. :P | mattlondon wrote: | 13 hours a day on average? | | That seems quite high to me. | | Assuming you sleep 8 hours, that only leaves 16 other hours for | potential screen time of which 13 we are apparently looking at a | screen. Lets assume another 30 minutes a day for getting washed & | dressed, bio-breaks, brushing teeth, preparing food + drink etc | (30 mins seems low, but I'm being generous), so 15.5 hours left. | | So of all of our waking hours, we spend 13/15.5 = 84% of every | minute we are awake looking at a screen? 50 seconds of every 60 | seconds staring at a screen? | | Seems high to me. | MrZander wrote: | I can easily see myself hitting 12+ hours a day. 8 hours every | day at work, then an hour of TV, then a few hours on my PC at | home doing whatever. Plus, using my phone probably adds up to a | decent little chunk. | | Weekends might drag the average down a bit though, spend much | less time in front of a screen on Saturday/Sunday. | karatestomp wrote: | I bet I'm around 12-13 hours more days than not. Maybe higher. | And my phone addiction/dependence is moderate compared to some | so it probably comes in a distant 3rd after laptop (easily #1) | and TV (all movies, shows, and video games combined) | | > Lets assume another 30 minutes a day for getting washed & | dressed, bio-breaks, brushing teeth, preparing food + drink etc | (30 mins seems low, but I'm being generous), so 15.5 hours | left. | | Laptop on the dresser/counter playing Youtube. Phones are | waterproof--read news or catch up on morning messages in the | shower. Laptops that aren't giant bricks and have battery life | good enough that you aren't constantly hunting for an outlet | and towing your power supply around, plus (even more so) | smartphones, have changed everything. | | Also depends on how they're counting screen time. Kinda like | TV-watching stats. My parents leave their living room TV on | probably 15+ hours a day. Does that mean they're "watching TV" | if they're making lunch (good view of the TV from the kitchen) | but half paying attention to the TV? Or I've come over and | we're talking but the TV's on and you (or at least I) can't | _entirely_ ignore it? | PragmaticPulp wrote: | I agree. I track my screen time on my computer and mobile | phone. I feel like I have too much screen time, but there's no | way I could consistently hit 13 hours of screen time per day, | unless maybe I put TVs around my house to use as background | viewing while I do other work. | | Even if I spend 10 hours at the office, it's a challenge to get | over 7 hours of screen time logged unless I actively avoid all | discussions, meetings, and eat lunch at my desk. | [deleted] | qubex wrote: | _The Onion_ was way ahead (as usual): | https://www.theonion.com/report-90-of-waking-hours-spent-sta... | Ididntdothis wrote: | Just my personal experience: i definitely notice my eyesight | getting worse and my eyes getting tired when I look at screens | for a while. Worst are phones , then iPad , then laptop. TV | causes me the least strain. I think it may have to do with the | viewing distance or the background light. | | When I don't look at a screen for a few days while on vacation my | eyesight gets much better. | TheRealDunkirk wrote: | Pfft. Amateurs. | varshithr wrote: | If you are in IT, or any knowledge worker for that matter, do we | even have a choice? | M5x7wI3CmbEem10 wrote: | e-ink monitors? | mr_berna wrote: | Does staring at two screens at the same time count double? At | work as an iOS developer I look at two computer monitors, an iPad | screen and a phone screen. When I watch TV at night I'll look at | the TV and my phone. I'm sure I can get my count really high. | throwawaysea wrote: | Can we quantify the "net screen time" once we subtract away from | activities that took up time but have since been | replaced/optimized by automation? | | But leaving that aside, the 34 years figure is understating the | true time spent. That figure is referring to 34 years of 24-hour | days. If we subtract 8 hours a day for sleep, it is actually 52 | years of our waking hours. | ipnon wrote: | "If children get outside enough, it doesn't matter how much they | study they do. They don't become myopic," said Ian Morgan, | researcher at Australian National University.[0] | | "Researchers say kids and teens need to get sunlight during the | critical years of their development while their eyeballs are | still growing. | | "The mechanics of how sunlight protects their eyes are not | clearly understood. One theory suggests that sunlight triggers | the release of dopamine in the retina; another speculates that | blue light from the sun protects from the condition. | | "The solution is simple. Have kids "spend more time outside, have | less demands (from) the schools and relax a bit," said Seang Mei | Saw, professor of epidemiology at the National University of | Singapore." | | [0] https://www.cnn.com/2015/04/05/asia/myopia-east- | asia/index.h... | | edit: quotation marks | saalweachter wrote: | I'm sure there is a correlation, maybe even a strong one, but I | have quite a bit of anecdata to suggest it is not true in all | cases. | | (I grew up on a farm, and spent a helluva lot of time outside, | and needed glasses long before my family had a computer; my | father would have spent even more time outside than I did, and | likewise is pretty nearsighted.) | chansiky wrote: | What did you spend your time doing though? Did you read a | lot? Did you draw? Did you spend a lot of time working on | things within arms reach? Or did you spend your time staring | off into the far yonder? Isn't there a case to be made that | sunlight is more of a signal used to help the eyes learn to | focus and that by staring at something a foot away with low | signal strength the eyes never got the feedback necessary to | shape itself to the environment that it needs to work in? | saalweachter wrote: | Climbing trees, chasing livestock, running through fields, | catching frogs, rolling down hills, digging holes... ? | | I was _outside_. If what a small child running around on a | farm for hours and hours every day, rain or shine, doesn 't | count as "being outside more", we need to start using a | different word to refer to that. | ipnon wrote: | The link references the rate of myopia in South Korea | increasing from 18% in 1955 to 96% in 2011. This suggests 2 | things: | | 1. Myopia is not entirely genetic, because genes for myopia | could not have spread to almost all Koreans from almost no | Koreans in the span of 56 years. | | 2. Myopia is somewhat genetic, because myopia existed in a | significant proportion of the pre-industrial population. | javitury wrote: | > Myopia is somewhat genetic | | That conclusion is can't be supported from the above fact | alone. | | It could be a development disorder with a certain | probability of occurrence given other non-genetic factors. | | Perhaps some pre-industrial people didn't get enough sun | time, because they spent too time at home reading. Others | had physical eye damage from work activities, etc. | saalweachter wrote: | Prefixing this with an acknowledgement that I totally | believe there was a change in the prevalence of myopia due | to changes in environmental conditions (amount of sunlight, | artificial lighting, etc etc)... | | I _am_ curious whether 18% was the _diagnosed_ rate of | myopia in South Korea in 1955 or the _actual_ rate of | myopia in 1955. | | In 1955 South Korea was a poor country; now it is one of | the wealthier countries (per capita) in the world. On the | one hand, it is entirely believable to me that access to | eye correction is radically greater than ~70 years ago, and | there was a lot of undiagnosed vision problems in 1955. On | the other hand, it's also entirely believable to me that | literally every 20 year old (male) was given a vision test | in 1955 in South Korea, because of the War. On the third | hand, it's _also_ entirely believable to me that the vision | test given was fairly easy to "pass", and that a many of | the people who passed it would have a level of myopia that | we would now prescribe glasses for, because hey, better | vision is better. | filoleg wrote: | Had the inverse situation observed too. One of my friends has | been writing code intensely since at least the age of 11, | still spending tons of time in front of the screen. Never | needed glasses in his entire life. And then there is me, who | had very limited access to screen time as a kid, and I still | ended up needing glasses around the age of 15 (despite none | of my parents needing glasses, which goes to show that | "genetic" doesn't necessarily mean something as simple as | "your parents are this way, so you are bound to be the same | way"). | | I am not a doctor, but imo it is similar to a lot of other | health concerns. Predominantly genetic, but you can still | affect the outcome in slight ways and improve your chances a | bit. | | Personal example: my grandfather who has been smoking at | least a pack a day since the age of 9, and he is still doing | way better in his 80s than majority of people his age. | Working in the garden (even physically demanding stuff, like | preparing the soil for potatoes every summer), fully mentally | sound, etc. On another hand, you have plenty of young people | who do everything right (no smoking, healthy diet, regular | proper exercise, etc.) falling due to random health ailments. | Which goes to show that while taking care of yourself is | important and beneficial, the luck of hand you got can | override it all in either direction at any moment. | pram wrote: | I agree. This is the first time I've heard of it. Literally | everyone in my family wears glasses, including my deceased | grandfather who lived into his 90s. He grew up in rural | Mexico without electricity so it absolutely couldn't have | been caused by TV or Computers | karatestomp wrote: | Meanwhile we put 5-6 year olds in kindergarten classrooms with | UV-blocking windows all day, for about 9 months during the part | of the year with the least sunlight available, and we've cut | recess time down to almost nothing, and schools increasingly | don't send kids outside if the weather's anything other than | perfect. At my kids' school they don't even have indoor recess | if they keep them in! They just watch a damn movie. WTF. Of | course there was some stupid educational fad that led them to | remove all the toys from lower-grade classrooms to make room | for "learning centers" (I gather this has happened more or less | state-wide), so I guess if the gym's not available they can't | really do indoor recess anyway, not that it helps their | eyesight either way. And this is a very highly-ranked school | for our state. | | 1.5 hours of recess daily _minimum_ or bust for 3rd grade and | under, I say, and I think that 's not quite enough, really. | Screw this 30 minutes crap. Know how I can guarantee my kids | have behavior problems at home? Coop them up inside all day. | Know how I make a day run smoothly? Make sure they're outside | running around at least a couple hours while the sun's up. Then | consider that they're giving a bunch of them nearsightedness on | top of _definitely_ creating behavioral and learning problems. | It 's crazy. | ajmurmann wrote: | I think it's all a side effect of the treadmill that society | is putting everyone on. Between globalization and automation | there are fewer good jobs that more people are competing for. | Either you end up with what used to be a lot of money or way | too little. Till you "made it" you are constantly at risk at | slipping off the treadmill and into the "way too little" | group. Especially in the US. | | May this be reality or not, it's the experienced reality for | many. We feel so much pressure to give our kids a head start | which results in this rat race starting earlier and harder. I | think this is just collateral damage from that shit going | wrong. I'm so glad I was a kid in the 80s when playing | outside was still normal. | karatestomp wrote: | We let ours play outside plenty, and there are quite a few | other kids out. Does seem to be neighborhood-dependent, | though, all kinda have their own culture. Our current one's | less free-range than the last, which had big ol' gangs of | kids with large age-ranges roaming around, and was great. | | We _are_ fairly worried about 1) eventually having some | kind of encounter with child protective services--which | will likely end up fine, if it happens, but will also | probably be really inconvenient and stressful--and 2) | injuries that end up giving us yet another opportunity to | play everyone 's favorite game, Medical Billing Roulette, | especially now that they're riding bikes. Multiple kids, | just a matter of time until one of them get a hospital trip | out of a bad fall. Odds very low they'll all make it to 18 | without at least one broken bone. | | God damn do I wish we'd fix healthcare in the US. It's | crazy how much background stress & anxiety that causes | across just about all activities and choices. And that's | _with_ insurance. | | [EDIT] although I'm pretty sure the "playing outside" thing | tapers off around tween/teen ages in a way it didn't for | us, when they all start living on social media. :-/ | jayd16 wrote: | Nah, just Flux in more blue light during the day. /s | dannyw wrote: | Does anyone know if this also applies for people in their early | 20s? Of course more sunlight and exercise never hurts, but I'd | be more compelled if there's scientific evidence that it stops | myopia progression. | 1e-9 wrote: | Yes[1]. | | [1] https://www.nature.com/articles/s41598-017-09388-7 | jeffreyrogers wrote: | Anecdotally I had great vision (20/15) before starting | college. Before I went to college the eye doctor said not to | bother coming back until I got married. After 3 years of | looking at a screen in the dark I needed glasses. | ashleshbiradar wrote: | "screen time" is too broad a term and is too often described as | something bad. But we need to understand screens are more like | papers, and what we consume off the paper is what matters. ___________________________________________________________________ (page generated 2020-05-20 23:00 UTC)