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Questions tagged [eye]

Questions related to diseases that affect the eye, visual acuity, lenses and glasses.

For questions relating to the eyes, the human organs of vision.

See also and .

150 questions
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Can wearing eyeglasses cause your eyesight to degrade further?

I've been told that wearing eyeglasses to correct poor vision can cause your vision to degrade even further. In other words, "Hold off wearing glasses for as long as possible, because once you start, it gets much worse." The claim is that with…
Nate Barbettini
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14
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2 answers

Do carrots actually improve eyesight?

I've heard that carrots help improve eyesight, but the sources are pretty unreliable (TV shows, mostly). Are there any studies that prove (or show good evidence) that carrots improve eyesight? Or is this just a myth?
michaelpri
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12
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What does eye power -6 means and how close to blindness is it?

One of my friends went to an eye specialist for checkup and the doctor told him that his eye power changed from -6 from -4.5. He is really very upset and doesn’t want to discuss anything on this. I can understand that -6 means the vision is in very…
Bacteria
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7
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1 answer

What are the official eye colors?

In reading the wikipedia article on eye color, I noticed that the colors listed there seemed a bit arbitrary. Tangentially, I know that even the words we use today to recognize colors are neither old nor preserved through cultures, languages, or…
user3495
6
votes
1 answer

What are the main causes of myopia?

Most internet sources when talking about the causes of myopia only tell some variation of the following taken from webmd: People who are nearsighted have what is called a refractive error. In nearsighted people, the eyeball is too long or the…
glS
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4
votes
1 answer

Does watching tv or using computer for a long time in a row effects eyes?

My dad always forbids me to use computer for long time because it effects our eyesight. But I heard that using computer or watching tv for a long time doesn't effect our eyes. Now which is true?
Abtahee Salekeen
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3
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1 answer

What do bags under the eyes mean, and what causes them?

What are the causes of bags under the eyes, and is it serious? What should I do to prevent them, and what actually makes the skin sag?
Tim
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3
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Does looking at monitors fatigue the eye muscles and/or affect overall fatigue?

I will most likely spend a lot of my lifetime staring at (computer) monitors. This is necessary for my profession and technology of today requires us to look at monitors/screens more. My question is this: Does looking at monitors fatigue the muscles…
Iarwain
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3
votes
2 answers

What is the use of these green and red lines on Snellen/Eye chart?

I read that in eye tests red and green colors are used. For example: But in Snellen/Eye chart, these are not background colors. These are lines only. What is the purpose of it?
Vikas
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3
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1 answer

How can I describe my eye weakness (disease) to a doctor?

5 days ago, I found that my right eye does not work properly. The vision of the left eye is better. Here is how I feel: When a person press strongly on his closed eye by his figures or hand, The vision becomes unclear temporarily. This is how I see…
user2824371
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2
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1 answer

Cheap polarized sunglasses, good or bad?

Im currently located in Thailand and bought very cheap (for less than 10$) but polarized sunglasses. Will I do good or bad to my eyes, wearing the sunglasses in the sun? In other words, how much protection does the polarization give?
jannikb
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2
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0 answers

Why does eye see moon glare?

I started notice moon glare appear larger in darker night. Does eye see moon glare because of its refraction error? How much does atmosphere contribute to create moon glare?
Program Idea
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2
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3 answers

Can eye drops cure dry eyes?

When waking up on every morning it takes several minutes before I can clearly see (I have to blink quite a lot). During the day it's common to feel irritation, like I had soap on my eye. I've tried over dozen eye drop brands suggested by…
user6556
2
votes
3 answers

Can the remote control beam hurt my eyes?

I accidentally pressed a button on the remote control while it was pointing towards my eyes. Could that cause any problems?
iwsnmw
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2
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How to avoid eyestrain when working with mobiles?

I've been a software engineer for around 20 years, the old monitors used to hurt my eyes but since the move to LCD monitors I haven't had any problems. In the last year I've started working with mobile phones, since then I've noticed my eyes getting…
tony
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