Skeptics Stack Exchange
Skeptics Stack Exchange

Questions tagged [ophthalmology]

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

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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 Mashable: “A key factor in something that’s called…
samthebrand
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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 in the months and years after LASIK became…
Hendy
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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 appears in multiple websites, like The Guardian,…
Gabe12
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Does bilberry improve eyesight?

There is a rumor that eating bilberries improves eyesight or, at least, helps to maintain it. Is it true?
alpha-mouse
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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 more dangerous because you'll be tempted to not look…
Random832
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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 that question's claim to improve eyesight). Is it…
user5341
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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 nothing medically wrong with her. That still leaves…
Mikey Mouse
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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 find any studies that conclude for or against…
Wayne Werner
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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 digital devices and who want the ultimate…
user16959
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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 you could actually see it from 30 miles away. Most…
Is Begot
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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 optimizing visual processing in just four simple…
DTDev
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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 strengthen by necessity. He also told me that his…
user13259
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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 desks in front of computer screens turn their eyes…
martin jakubik
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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?
Christian
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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 their refresh rates to 120Hz, and then doubling them…
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