/sci/ - Science & Math » Thread #14337231

25KiB, 523x324, 1648288076451.jpg

View Same Google iqdb SauceNAO

Anonymous Sat 26 Mar 09:49:00 2022 No.14337231 View Reply Original Report

Quoted By: >>14337304 >>14337328 >>14337333 >>14337583 >>14337586 >>14337588

If convex lenses reduce or remove the need for the eye to accommodate for near work, why don't we make everyone use reading glasses, when studying or reading, as a preventive measure against myopia?
Explain why this wouldn't work
>related study
>PMID: 31080964

Anonymous

Anonymous Sat 26 Mar 2022 11:12:25 No.14337304 Report

Quoted By: >>14337489

>>14337231
>prevent having to wear glasses by wearing glasses
retard

Anonymous

Anonymous Sat 26 Mar 2022 11:47:07 No.14337328 Report

Quoted By:

>>14337231
because in other species we observed lens-induced myopia even though we're told it just doesn't happen because ... it just doesn't

Anonymous

Anonymous Sat 26 Mar 2022 11:52:46 No.14337333 Report

Quoted By:

>>14337231
because it would be too much of a bore

it is recommended for people to use condoms if they don't want pregnancy, and yet there are still people (including myself) who refuse to do that. it's inconvenient.

also, the study you're quoting is massively flawed.

*flies away*

Anonymous

Anonymous Sat 26 Mar 2022 13:52:13 No.14337489 Report

Quoted By: >>14338606

>>14337304
>trade off wearing glasses all the time vs only when doing something that strains your eyes
retard

Anonymous

Anonymous Sat 26 Mar 2022 14:07:03 No.14337515 Report

Quoted By: >>14337583 >>14337586 >>14337588 >>14337627

is it true that these past 2 years myopia has increased by a shitload across the population, meaning people who had stable myopia for years got more of it, and more people got it among young people too, like for example i heard lots of people well into their 20s or even 30s who had myopia all his life but stable, at then these past 2 years suddenly it gets worse, they get one or 2 more dioptrias for no reason, and the reason is the pandemic and staying at home watching tv more

so i mean is it true that the vast majority of myopia is due to the modern lifestyle where being indoors and watching computer screens is so common

Anonymous

Anonymous Sat 26 Mar 2022 14:35:41 No.14337583 Report

Quoted By: >>14337586

>>14337231
>>14337515
Because it's caused by the seficiency in lead, which makes it impossible for the muscles to relax.
In the eye it means loss of accomodation and night vision. Once you accomodate closer, the eye can't easily relax the muscle to refocus into distance. Similar with night vision and pupil size. You can't see in the dark, as the pupils stay closed once you look on something bright, and take ages to dilate, instead of opwlening and closing instantly.

The stuck near focus initially leads to pseudomyopia, but eventually it seems to cause the eye to grow longer.

Anonymous

Anonymous Sat 26 Mar 2022 14:36:51 No.14337586 Report

Quoted By:

>>14337583
>>14337231
>>14337515
Because it's caused by the deficiency in lead, which makes it impossible for the muscles to relax.
In the eye it means loss of accomodation and night vision. Once you accomodate closer, the eye can't easily relax the muscle to refocus into distance. Similar with night vision and pupil size. You can't see in the dark, as the pupils stay closed once you look on something bright, and take ages to dilate, instead of opening and closing instantly.
The stuck near focus initially leads to pseudomyopia, but eventually it seems to cause the eye to grow longer.

Anonymous

Anonymous Sat 26 Mar 2022 14:37:53 No.14337588 Report

Quoted By: >>14337627

>>14337231
>>14337515
Because it's caused by the deficiency in lead, which makes it impossible for the muscles to relax.
In the eye it means loss of accomodation and night vision. Once you accomodate closer, the eye can't easily relax the muscle to refocus into distance. Similar with night vision and pupil size. You can't see in the dark, as the pupils stay closed once you look on something bright, and take ages to dilate, instead of opening and closing instantly.
The stuck near focus initially leads to pseudomyopia, but eventually it seems to cause the eye to grow longer.

Anonymous

Anonymous Sat 26 Mar 2022 14:50:08 No.14337627 Report

Quoted By: >>14337814 >>14337901 >>14337938

>>14337588
lead isnt used for muscles and actually just accumulates in the lens
>>14337515
idk sounds like confirmation bias, I havent noticed any great surge in myopia. Id say at least 50% of kids I grew up with worse glasses and as an adult that number seems equal. Obviously the older someone is the more likely it is for their eyes to degenerate. Maybe kids have worse vision now but my parents and surrounding family pretty much have that same split.

I will say it absolutely could be a geography/lineage thing. I can tell from my concert going days that the average height in some cities is very different than others, im sure vision and penis size are affected by this factor as well.

Anonymous

Anonymous Sat 26 Mar 2022 16:12:49 No.14337814 Report

Quoted By:

>>14337627
asians and specially koreans have an insane rate of myopia, like half of men under 30 or so use glasses. lots of people i know at work have commented that in the last their myopia has gotten worse after covid, plus it's something very associated with people who read, plus it was much less common a few hundred years ago (anyone with more than 4 dioptrias basically can't see 10 feet down, people like that would be noticed and there would be writings about it)

i haven't looked for or seen real research about this but it's a lot of anecdotal evidence, and it sounds logical that it works this way

Anonymous

Anonymous Sat 26 Mar 2022 16:46:19 No.14337901 Report

Quoted By:

>>14337627
The fact about muscles comes from experiments, no matter how exactly it occurs it's completely real.

Anonymous

Anonymous Sat 26 Mar 2022 17:01:30 No.14337938 Report

Quoted By: >>14338312

>>14337627
The number of myopic people has grown so much in the past decades it's not even funny, now I'm sure there must be a genetic factor but it's hard to deny how near work could be a trigger, probably also coupled with the lack of sun exposure

Anonymous

Anonymous Sat 26 Mar 2022 19:07:46 No.14338312 Report

Quoted By: >>14338599

>>14337938
and yet we do nothing

Anonymous

Anonymous Sat 26 Mar 2022 21:03:55 No.14338599 Report

Quoted By:

>>14338312
Personally I have bought +0.50 reading glasses to use when I'm on PC to avoid straining my eyes, at this point all I can do is to avoid that my myopia gets bad

Anonymous

Anonymous Sat 26 Mar 2022 21:05:53 No.14338606 Report

Quoted By: >>14338623

>>14337489
Ask any myopic person if glasses are inconvenient, all of them will say no. Ask that to a hyperopic person, they all will say yes. Having to put glasses on and off constantly, is way more annoying. Absolute retards in this board.
>bro why don't you just stay on a wheelchair all the time as practice incase you ever lose your legs

Anonymous

Anonymous Sat 26 Mar 2022 21:14:12 No.14338623 Report

Quoted By: >>14338702 >>14339959

>>14338606
I'm a myopic person
>periodically need to upgrade your glasses
>become increasingly dependent on glasses

Anonymous

Anonymous Sat 26 Mar 2022 21:49:34 No.14338702 Report

Quoted By:

>>14338623
>periodically need to upgrade your glasses
just add a layer of convex plastic to the lenses that add +0.5 every couple years or so. does it exist? i think it would be a great idea

Anonymous

Anonymous Sun 27 Mar 2022 08:15:01 No.14339959 Report

Quoted By: >>14340012 >>14340178

>>14338623
>periodically need to buy clothes
>become increasingly dependent on clothes
You literally just put it on your face, and forget about it. Besides, if you periodically need to upgrade your glasses, something else is wrong with you.

Anonymous

Anonymous Sun 27 Mar 2022 08:54:25 No.14340012 Report

Quoted By:

>>14339959
What are you even arguing for? That spending money is ok even if there was an alternative that prevented you from spending said money? Also all of your analogies so far are completely unrelated to the point, I'm starting to think you sell glasses for a living

Anonymous

Anonymous Sun 27 Mar 2022 10:50:13 No.14340178 Report

Quoted By: >>14340244

>>14339959
It's perfectly normal if not typical that you keep getting more and more diopters.

Anonymous

Anonymous Sun 27 Mar 2022 11:37:35 No.14340244 Report

Quoted By:

>>14340178
no, after you turn 25 or sometimes a bit later, depends on the person, it basically stops. maybe it increases by one every 15 years but that's it

Capcode	All Only User Posts Only Moderator Posts Only Admin Posts Only Developer Posts
Show Posts	All Only With Images Only Without Images
Deleted Posts	All Only Deleted Posts Only Non-Deleted Posts
Ghost Posts	All Only Ghost Posts Only Non-Ghost Posts
Post Type	All Only Sticky Threads Only Opening Posts Only Reply Posts
Results	All Grouped By Threads
Order	Latest Posts First Oldest Posts First

Your latest searches