D_Malik comments on Post ridiculous munchkin ideas! - LessWrong

55 Post author: D_Malik 15 May 2013 10:27PM

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Comment author: D_Malik 10 May 2013 12:18:44PM *  2 points [-]

It seems that nearsightedness is caused at least partly by spending lots of time looking at things that are close to you, such as books or computer screens. So maybe what we need is some way of making these things look like they're further away, without the inconvenience of actually moving them further away.

Fortunately, there exists an invention that can solve this problem: glasses. The idea is thus to use glasses that are the opposite of what optometrists would prescribe for nearsightedness (or that are just weaker than what they'd prescribe). There is some evidence to support the use of these "anticorrective" glasses, but I am incapable of telling whether they're a good idea.

More information here.

Comment author: drethelin 10 May 2013 04:31:09PM 8 points [-]

so the solution to having to wear glasses all the time is to wear different glasses all the time?

Comment author: D_Malik 10 May 2013 04:40:20PM 0 points [-]

Wearing anticorrectives all the time also causes myopia, according to what I've read. The proposed solution is to wear anticorrectives only when doing doing near work. Not sure whether any of this is worth it, considering that if you don't want to signal whatever glasses signal you could just get contact lenses.

Comment author: CronoDAS 16 May 2013 05:16:53AM 0 points [-]

Another theory I've encountered is that myopia can be caused by a lack of sunlight (caused by spending lots of time indoors).

Comment author: Decius 11 May 2013 02:21:12AM 0 points [-]

Why use glasses weaker than prescribed when you can use no glasses at all for free?

Comment author: NancyLebovitz 11 May 2013 04:14:23AM 1 point [-]

The idea is to have a moderate challenge so that you get improvement rather than strain or giving up.