Questions tagged [ophthalmology]

Ophthalmology is the branch of medicine that deals with the anatomy, physiology and diseases of the eye.

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6
votes
1answer
787 views

If the viewable part of lightning goes from the ground up, why does it look like lightning goes from the sky down? [closed]

According to here, it seems like the visible portion of lightning comes from the ground up; however I watched some slow motion YouTube videos, and it is clear that the lightning appears to be ...
3
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0answers
197 views

Are sans serif fonts easier to read than serif fonts? [closed]

Origin of claim is http://alexpoole.info/blog/which-are-more-legible-serif-or-sans-serif-typefaces/. At a quarter down the webpage is a more specific claim tendered, with numerous papers cited. ...
5
votes
1answer
343 views

Can daily disposable contact lenses be safely re-used?

It is recommended that "daily" contact lenses are to be disposed of after about 8 hours of use. I understand that daily lenses are made from a different material than, say, monthly ones; they are ...
8
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1answer
1k views

Can we solve most blindness by cadaver donation?

India's total population 118 Crores1. Daily Death - 62389 Daily Birth - 86853 If Daily Dead People Donate their Eyes, within 11 Days All Blinds will be able to see Then in India there will be NO ...
4
votes
0answers
365 views

Does eye exercises help improve your eyesight? [closed]

I asked the eye doctor if exercises will help my aging vision and he said basically that the benefits of eye exercise are inconclusive. I looked on Skeptics and found that this was discussed 3 years ...
1
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0answers
87 views

Is anti-glare 'computer' glasses effective at relieving eye-strain? [duplicate]

Does anti glare really works? Got many suggestions from fellow friends who practice medicine Dont use them if you are not experiencing any strain Use them it will be helpful to reduce strain It will ...
58
votes
1answer
262k views

Do human eyes grow after birth?

My friend just assured me that when a person is born, their eyes are at the size they will be for the rest of their life, or, that they do not grow. A Google for this question shows that it has been ...
10
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2answers
6k views

Does covering one eye for an extended period of time increase the other eye's function?

One of my friends recently told me he previously had lazy eye. He said the way he cured it was to cover his good eye with an eyepatch for about a week; this caused his other eye's muscles to ...
32
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2answers
3k views

Do cats and dogs only see in grayscale?

Ask most anybody about dogs or cats, and they will repeat the claim that these animals are colorblind. To most, it means greyscale. Is it true that cats (ref 2) and dogs (ref 2, ref 3) only see in ...
13
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1answer
3k views

Does bilberry improve eyesight?

There is a rumor that eating bilberries improves eyesight or, at least, helps to maintain it. Is it true?
5
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0answers
1k views

Does push-ups on finger tips affect eyesight negatively?

Some time ago I've been told that push-ups on your fingers (instead on fists) can affect eye-sight. The explanation was not clear (something about a lot of nerves in fingertips and pressure on them). ...
38
votes
1answer
19k views

Is watching television in the dark harmful to your eyes?

This is obviously related to a few answered questions already here, namely: Does watching television damage the eyes? Is it harmful to your eyes to read in dim light? But the following question is ...
14
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1answer
1k views

Does "eye black" improve vision under glare conditions?

Some sports people wear "eye black" (black strips on the upper cheek) under glare conditions (sun or stadium lights) to reduce glare. For example, one brand claims it is: used on the field to help ...
10
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2answers
3k views

Does Iridology work?

Iridology claims that it's practitioners can diagnose various illnesses via looking at the eyes of patients. Is there evidence that supports or debunked their claims?
9
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4answers
9k views

Do high refresh rates prevent motion blur on TVs?

Several TV options are available and most sellers tend to convince you that the higher frequency the TV is the better it is. For example this site says: LCD TV manufacturers have tried doubling ...
11
votes
1answer
738 views

Can a lack of Vitamin A in your diet be statistically proven to be linked to worse eyesight?

Reading this question: Does eating carrots improve your eyesight? - brought to mind a common piece of medical advice in USSR - to eat carrots to prevent your eyesight from going bad (as opposed to ...
2
votes
0answers
161 views

Will looking at the sun make you blind? [duplicate]

Possible Duplicate: Does staring at the sun cause significant, permanent harm? As a child I was told to never look directly at the sun because it can make you blind. However: I have never heard ...
9
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1answer
2k views

Do raster glasses work for improving eyesight?

Similar Questions: Is the Bates Method for improving eyesight efficacious? Strange way of improving eyesight — Could it work? Do raster glasses, like these, work for improving eyesight (if you are ...
12
votes
1answer
1k views

Is Lasik corrective eye surgery unsafe?

I was looking into Lasik vision correction surgery and came across an article by a former member of the FDA, Dr. Morris Waxler where he states that he wishes he had never approved Lasik surgery: But ...
14
votes
1answer
3k views

Strange way of improving eyesight -- Could it work? [duplicate]

Possible Duplicate: Is the Bates Method for improving eyesight efficacious? I recently read the Bate's Method question and thought of this. A while ago in some forum someone posted a note. It ...
9
votes
1answer
2k views

Can reading on a moving vehicle cause retinal detachment?

When I was a child, I was told that reading a book on a moving vehicle (a car or a bus) could cause the retina to detach. I always doubted that, since I could not imagine how it would happen. Is ...

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