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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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4 votes
1 answer
1k 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 ...
1 vote
1 answer
443 views

Do mineral glass lenses on sunglasses block 100% of harmful UV radiations?

I have also come across sunglasses fitted with "mineral glass lenses" which claim to filter 100% of UVA and UVB without the need for a UV coating, e.g.: Otis: OTIS standard lenses are all ...
5 votes
0 answers
370 views

Can you fix drooping eyelids with exercises?

I stumbled upon this YouTube video which gives exercises to fix drooping eyelids: https://www.youtube.com/watch?v=MYBd6t1k-38 The medical term used to qualify drooping eyelids is ptosis (or ...
2 votes
0 answers
463 views

Are there documented cases of myopia reversing on its own, without medication or surgery?

Most professional medical associations contend that "myopia cannot be reversed". Current evidence supports a number of treatment methods for reducing the progression of myopia. While these ...
4 votes
1 answer
997 views

Does looking at a monitor screen in a room with very low light source damage your eyes?

Suppose a person wants to play computer games at night without turning on the room lights. The only light source in the room is that monitor screen that the person is looking at -- with normal ...
12 votes
1 answer
2k 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 ...
3 votes
0 answers
239 views

Do digital screens cause any permanent damage to the eyes? [closed]

Is there any permanent direct damage from digital screen usage in general? This article is citing a paper that suggests the blue light may cause macular degeneration and they haven't tested in human ...
3 votes
0 answers
235 views

Do aspherical lenslets in glasses slow the progression of myopia?

Several major lens manufacturers have claimed that their lenses can slow the progression of myopia (short-sightedness) in children. Essilor claim their Stellest lenses can: slow down myopia ...
4 votes
0 answers
348 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 ...
11 votes
1 answer
4k 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 ...
21 votes
2 answers
1k 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 posts like ...
54 votes
3 answers
6k 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 ...
43 votes
1 answer
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 ...
21 votes
1 answer
8k 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 ...
13 votes
2 answers
17k views

Does the Retina Display cause less eyestrain than other screens?

Apple Mac Retina display screens make text look great. Retina pixel density = 220.5 PPI, vs. 135 PPI for the 2018 non-Retina MacBook Air (according to The Verge). Gary Heiting, an optometrist told ...
14 votes
2 answers
5k views

Were there army experiments to give humans infrared vision?

Disclaimer: Infrared is maybe the wrong term, I took it to mean anything that we do not currently perceive with a longer wavelength than what we see as red. I don't think in the following they refer ...
10 votes
0 answers
784 views

Does blue light coating on eyeglasses protect the eyes?

I ask about adding blue light coating to eyeglass lenses, not separately wearing blue light glasses. Evidence for SeeCoat Blue Premium | Nikon Lenswear Canada Recommended For: Those who regularly use ...
5 votes
1 answer
312 views

Does wearing contacts increase the risk of retinal detachment if you receive a blow to the head?

It's fairly well established that a blow to the head can be a contributing factor to retinal detachment, and there are various people who claim that wearing contact lenses or being nearsighted are ...
4 votes
0 answers
2k 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 ...
2 votes
0 answers
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 ...
38 votes
1 answer
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 ...
12 votes
2 answers
21k 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 ...
59 votes
4 answers
11k 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) ?
16 votes
1 answer
6k 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 ...
10 votes
1 answer
746 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 ...
40 votes
2 answers
7k 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 votes
0 answers
168 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 ...
57 votes
8 answers
67k 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?
34 votes
2 answers
7k 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 ...
52 votes
2 answers
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?
22 votes
1 answer
4k 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 votes
1 answer
907 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 votes
3 answers
4k 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 votes
0 answers
251 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 votes
1 answer
23k 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 votes
0 answers
300 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 votes
1 answer
2k 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 ...
13 votes
1 answer
21k 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 ...
9 votes
1 answer
5k 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. ...
5 votes
1 answer
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 ...
26 votes
3 answers
3k 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 votes
1 answer
463 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. ...
4 votes
1 answer
565 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 ...
63 votes
3 answers
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 ...
27 votes
3 answers
12k 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 ...
1 vote
0 answers
238 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 votes
1 answer
14k 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 votes
1 answer
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 votes
1 answer
804 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 ...
21 votes
2 answers
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?