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Questions tagged [ophthalmology]

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

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Do Gunnar glasses (or similar) reduce eye strain more than changing the blue levels of a LCD screen? [closed]

An older question asks if Gunnar glasses actually work but I am interested in whether the same benefit can be obtained from reducing the blue light emitted by a LCD screen. Whilst some mobiles and ...
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Does UV-A light from sunlight damage our vision?

Ultraviolet (UV) light is divided into wavelength bands. UV-A is the 315-400nm. The American Optometric Association claim that UV-A may cause injury to the eye: WHAT PART OF THE UV RADIATION IS ...
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Are monitors with an IPS (in-plane switching) panel better for the eyes?

slothygeek writes: There are three main display panel types for screens: IPS, VA and TN panels. Screens with TN panels are best for gaming but these are not the best for your eyes. If you want ...
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Is the MyoRing operation a successful treatment for Keratoconus?

Keratoconus is a disease that causes progressive (and irregular) thinning of the cornea. MyoRing is an treatment that involves implanting a ring under the cornea. It supposedly improves vision by a ...
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1answer
650 views

Can reading fine print cause damage to eyes?

I have my computer font set quite small so that I can see more on one screen at a time, but a collegue recently warned me that I would cause damage to my eyes later in life. Is there any scientific ...
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Can very expensive sunglasses work better than cheap or mid-range ones? [closed]

(This is related to, but different from, this question.) Cost is never a guarantee of quality. But for some products, low cost is a guarantee of lower quality. For example, while not all $300 ...
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Is light text on dark background less harmful to the eyes than dark text on light background [closed]

Most programmers (at least most of my undergraduate classmates) use light text on dark background (LTDB) and so do I, instead of dark text on light background (DTLB). And as we know, traditional ...
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Is the solarized color scheme easier on the eyes?

MakeUseOf writes in Solarized – A Crisp, Scientifically-Based Color Scheme For Your Apps: Color is everywhere around us. For most people, color is about beauty or aesthetics. But if you spend your ...
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1answer
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Do certain colors fatigue eyes faster?

This UX.SE question about the use of bright pink in graphic design prompted an answer that says it should not be used because “it hurts the eyes.” It cites a Color Matters website about this, and ...
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1answer
999 views

Are 1 in 12 men color blind?

The Colour Blind Awareness website claims that: Colour (color) blindness (colour vision deficiency, or CVD) affects approximately 1 in 12 men (8%) and 1 in 200 women in the world. This claim ...
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1answer
377 views

Did Aldous Huxley turn out to be reciting not reading when lecturing on the Bates Method?

Some years ago I remember reading an account of Aldous Huxley lecturing on the Bates Method. I think it was a book by a well-known skeptic (maybe Gardner or Sagan?) but I don't remember exactly. ...
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1answer
419 views

Does the See Clearly Method of vision improvement work?

I found a product called the See Clearly Method on Amazon. The program claims: The best personal vision improvement system currently available. The results of years of study and clinical ...
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1answer
970 views

Is there a link between strabismus and psychiatric illness?

I have an esotropic latent strabismus which causes my left eye to sometimes point inward rather than cooperating with the other eye. I read recently that youths with a strabismus are more likely to ...
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Can the Ocumetic bionic lens give flawless vision?

Ocumetics claim to have developed a bionic lens that can be surgically implanted into the eye to restore clear focus to patients. For a half century, ophthalmic surgeons have envisioned an ...
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Can nearsightedness be cured with yoga?

Baba Ramdev claims in this 1hr Hindi video that yoga can cure myopia. Is there evidence that one can be cured of myopia by yoga?
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1answer
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Can a camera flash blind the eyes of a baby?

This story in the Daily Mail talks of a case where a newborn baby lost its eyesight due to the camera flash. Doctors said the three-month-old, who has not been named, has suffered irreparable ...
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1answer
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Are people physically sensitive to light from LEDs over other sources?

The Irish Independent details the claims of a woman saying she is sensitive to LED light, and that it causes her nausea. The article explains that neurologists, opticians and ophthalmologists found ...
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1answer
3k views

Do women blink more than men?

OMGfacts : Blinking is a reflex that is started by a sudden noise. Studies show that women react more quickly then [sic] men to these sudden noises, and blink both twice as hard and often as men. ...
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3answers
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Is looking at an IR transmitter bad for your eyes?

I've seen some warnings regarding IR sensors and transmitters such as the 4th panel below for the Nintendo 3DS: The Operations Manual says, Do not get too close to the infrared transceiver ...
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Does habitually performing detailed work in low light cause permanent eye damage? [duplicate]

I read the question Is it harmful to your eyes to read in dim light? and remembered that when I visited Kensington Palace a few years back there was a story that many of the servant girls who worked ...
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1answer
400 views

Does orthokeratology cure myopia?

This 2013 study found: Soft multifocal contact lens wear resulted in a 50% reduction in the progression of myopia and a 29% reduction in axial elongation during the 2-year treatment period compared ...
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2answers
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Can we see a single candle X miles away?

Recently I saw a commercial for Centrum that claims you can see the light of a single candle from ten miles away. I was skeptical, but a trip to the internet claims that not only is that true, but ...
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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. ...
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1answer
301 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 ...
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0answers
340 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 ...
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1answer
771 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 ...
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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 ...
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1answer
13k views

Can the UltimEyes app improve distance vision?

I came across the Ultimeyes app and am very concerned many people will be throwing away their money. ULTIMEYES® is a non-invasive interactive program designed specifically to improve vision by ...
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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 ...
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1answer
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Does green cause less eye-strain?

An answerer at Quora claims: Colour vision is a result of cone cells. People with normal vision have 3 cone cell types: red, green blue. Of the 6-7million you have, 45% are green. Therefore, your ...
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2answers
4k 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 ...
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1answer
698 views

Does turning your eyes away from your monitor once an hour help your eyes' health?

I have read in some sources (sorry, can't remember which), and also been told by my employer-assigned doctor (I can find the doctor again if needed), that it is "important" for people who work at ...
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2answers
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Will using auto-darkening welding helmets damage your vision?

I've been told in person, and seen repeated on many a forum, that auto-darkening welding helmets are dangerous and that anyone who uses one eventually needs glasses. However, I have been unable to ...
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1answer
3k views

Is it harmful to read while moving?

My dad has always told me not to read things (just books/papers inside the car) while the car was moving. When I asked why, he said that it puts too much strain on your eyes because the book/paper is ...
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3answers
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Can blue light from LCD panels cause damage to the eyes?

In Japan there is quite a fad about LCD blue light filtering and how they might help reduce eyestrain, etc. The web site of a major computer accessory manufacturer has an English-language press ...
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3answers
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Could an adult mind automatically adjust if a person was to wear glasses that inverted/flipped all vision?

It is known that the human eye anatomy makes it so that all images we see with our eyes are flipped upside down. Without noticing it, at an early age, the brain is adjusted to this. What I mean is ...
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2answers
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Does the Retina Display cause less eyestrain than other screens?

Many ask whether the Mac Retina display is worth it. At the Apple store, a 15-inch Macbook Pro with Retina costs $2,199 (base) vs. $1,799 for the non-Retina 15" Macbook Pro, and $1,199 for the non-...
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1answer
255k 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 ...
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1answer
7k views

Do Gunnar Glasses reduce eye strain?

In my RSS feeds today, I got an article named Gunnar Glasses Reduce Computer Eyestrain, Are 75% Off for the Next Two Days which links to a previous article about their benefits: Gunnar's website ...
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4answers
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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 ...
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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 ...
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2answers
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Are nebulae colored?

The pictures of nebulae are always depicted as vividly colored and with a great variety of colors: Source Omega nebula Source Eagle nebula pillars According to the English wikipedia article on ...
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0answers
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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). ...
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3answers
3k views

Are cheap sunglasses bad for your eyes?

Conventional wisdom and tips in magazines often state that you shouldn't buy cheap sunglasses because they don't protect well against UV rays. There are two claims in one here, I am skeptical about: ...
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2answers
1k views

Does using a computer affect your eyesight?

I've heard it said very often: Using a computer/smartphone can make you nearsighted. Is it true? Is there good research on the topic?
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0answers
160 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 ...
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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 ...
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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 ...
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1answer
727 views

Is there a relationship between yellow and moods?

A commonly held belief in visual arts and graphic design is that colours communicate specific moods. Let's concentrate on the colour yellow, for example here: The color yellow gives one a warm and ...
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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: ...