Questions tagged [ophthalmology]

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

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11
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1answer
3k views

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 ...
18
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2answers
989 views

Do night driving glasses make it easier to see at night?

There are many yellow-tinted driving glasses being sold with claims like this one: Yellow lens tint enhances contrast at night Anti-reflective coating reduces glare. There are also many ...
40
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1answer
3k views

Does eating carrots improve your eyesight?

A common belief in Sweden is that carrot improve your eyesight and I was told many times when I was little to eat carrots. Although anecdotaly I have perfect vision without carrot-gluttony. Is there ...
11
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2answers
17k views

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 ...
1
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0answers
157 views

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 ...
3
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0answers
221 views

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 ...
59
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4answers
10k views

Does watching television damage the eyes?

Is there any evidence that watching television for too long or while sitting too close weakens the eyes (leading to myopia, for example) ?
2
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0answers
286 views

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 ...
10
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1answer
1k views

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 ...
11
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1answer
699 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 ...
10
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2answers
15k views

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-...
39
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2answers
6k views

Is the Bates Method for improving eyesight efficacious?

The Bates Method is often cited by people looking to avoid wearing glasses, or as an alternative to LAZIK surgery for improving/correcting eyesight. Is the method at all effective? Can eyesight truly ...
3
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0answers
144 views

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 ...
54
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8answers
45k views

Can the human eye distinguish frame rates above 60 Hz?

I know that frame-rates above 60fps all look the same to the human eye. Is that true? Why? If so, why do graphics cards boast anything higher than that?
35
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2answers
6k views

Has increased computer use led to increased myopia?

According to ABC News and this Ophthalmological study there has been a significant increase in the number of people with myopic eyesight over a recent 30 year period. From the ABC article: There ...
51
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2answers
3k views

Is it harmful to your eyes to read in dim light?

Is there any scientific backing to the claim that reading in dim light damages your eyes? Related to: Does watching television damage the eyes?
23
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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 ...
22
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1answer
680 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 ...
15
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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: ...
4
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0answers
233 views

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 ...
35
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1answer
22k views

Reading while lying down is more strenuous (unhealthy) for eyes

My friend heard that reading while lying down is more strenuous (unhealthy) for eyes. I like reading in bed (books, tablet). Is there some study that confirms this hypothesis? I use two positions (...
4
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0answers
263 views

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 ...
16
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1answer
665 views

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 ...
40
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1answer
27k views

Does wearing prescription eyeglasses weaken your eyes?

I just recently received my first pair of eyeglasses. My eye doctor stated that contrary to popular belief, that wearing the glasses will not weaken my eyes any further. However my sister-in-law ...
12
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1answer
13k views

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 ...
4
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1answer
403 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 ...
8
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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. ...
7
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1answer
1k 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 ...
6
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1answer
1k 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 ...
24
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3answers
2k views

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 ...
4
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1answer
385 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. ...
3
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1answer
426 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 ...
64
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3answers
4k views

Is it possible to cause problems to an aircraft pilot with an “over-the-counter” laser?

I've been admonished not to ever shine a laser into the night sky as it might "dazzle pilots" and potentially bring down airplanes. This seems kind of illogical for a number of reasons: If a plane is ...
3
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0answers
6k views

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 ...
26
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3answers
11k views

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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0answers
215 views

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?
10
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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 ...
20
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1answer
6k views

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 ...
9
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1answer
732 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 ...
22
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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 ...
23
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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?
46
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3answers
23k views

Does staring at the sun cause significant, permanent harm?

Of course, I think I can safely assume if an eye is left pointing directly towards sun for a long period of time it does get major damage. However, staring at the sun also hurts very quickly. That ...
43
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2answers
15k views

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 ...
11
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2answers
2k views

Is looking into a solar eclipse especially dangerous?

I mean looking at a partial or annular eclipse, or before or after totality, and specifically the claim that it is more dangerous than looking into the sun. I've heard two versions of this: It is ...
3
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0answers
80 views

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 ...
10
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2answers
1k views

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 ...
6
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1answer
778 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
192 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. ...
50
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3answers
5k views

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 ...
4
votes
1answer
311 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 ...