16 votes
Accepted

Are 1 in 12 men color blind?

Summary: complete colour blindness is very rare (less than 0.01%). What is common is various types of deficiency in red-green colour vision in men, which is around 8% (sex-linked because it's from an ...
user56reinstatemonica8's user avatar
16 votes
Accepted

Can reading fine print cause damage to eyes?

The "damage" done by screens is in the form of eye strain. Your eyeball focuses by using muscles in the eye to change the shape of the lens within the eye, to properly focus incoming light onto the ...
PoloHoleSet's user avatar
  • 9,668
14 votes

Is the solarized color scheme easier on the eyes?

Low contrast modes that rely on colour are not a boon, despite the design trends. Complementary colour contrasts may be perceived as strenuous but overall eye fatigue is reduced and readability ...
LangLаngС's user avatar
  • 44.1k
8 votes

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

Personal test experiment, (more of an extended comment than an answer)... Sometimes I have to drive a four door sedan at night, during times of sporadic traffic, in a town with curvy roads and hills ...
agc's user avatar
  • 259
7 votes

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

There is some fairly old research suggesting that night-driving glasses, i.e. glasses with tinted glass, do not make it easier to see at night, and might even have a detrimental effect. Both acuity ...
Schmuddi's user avatar
  • 9,508
7 votes

Does watching television damage the eyes?

No, watching too much television does not directly cause myopia. Walter Wood has debunked the theory that too much near work causes myopia. In his book The Ultimate Unification of Diet Health and ...
S.O.S's user avatar
  • 511
6 votes
Accepted

Do women blink more than men?

A new perspective on spontaneous blinks Ophthalmology 2013 May; 120(5):1086-91 Blink rate was significantly higher in women than in men (P = 0.007, unpaired t test; female, 22.0 ± 16.8 blinks/...
DavePhD's user avatar
  • 107k
6 votes

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

Most glasses block some amount of UV light, particularly the "harder" UV like UVC and UVB. UVC is not really relevant in the context of sunlight at normal altitudes, as the atmosphere, in ...
John Doe's user avatar
  • 1,404
6 votes
Accepted

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

According to various experts' opinion, there's no evidence of permanent damage, but temporary strain, yes, e.g. according to this University of California-Irvine page A frequently made observation ...
the gods from engineering's user avatar
5 votes
Accepted

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

If any study has looked directly at this question, it should not be too hard to find, but I also am not finding it. The only direct expression of professional opinion on this I've found so far is in ...
Brian Z's user avatar
  • 7,470
5 votes
Accepted

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

Referring to Martin Gardner in the book 'Fads and Fallacies in the Name of Science' Chapter 19 'Throw Away Your Glasses', there had been no changes in the cornea opacity of Aldous Huxley to indicate ...
pericles316's user avatar
  • 22.8k
3 votes

Is looking at an IR transmitter bad for your eyes?

Take a look at the spectrum for sunlight. About half of the energy emitted by the sun is infrared (see citation 6). Some of this is attenuated by the atmosphere, but approx. 30% of the 1000 watts of ...
0xDBFB7's user avatar
  • 1,934
3 votes

Were there army experiments to give humans infrared vision?

There was work done after WWII on this issue. Millard and McCann fed high levels of vitamin A2 to eight medical students at the University of Rochester School of Medicine; the control group of seven ...
John Pierce's user avatar
2 votes

Has increased computer use led to increased myopia?

I think Oliver had it right with respect to the most influential environmental factor (light intensity). I was a bit skeptical because near-work was a long-time favorite environmental hypothesis and ...
the gods from engineering's user avatar
2 votes

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

No exactly like that, but the lack of outdoor/intense light exposure is an environmental risk factor in developing myopia. This factor is directly correlated with education, at least as currently ...
the gods from engineering's user avatar
2 votes

Is looking at an IR transmitter bad for your eyes?

Quick answer: it's harmless. Maximum radiation dose is 20 times smaller than the safety limit. Long version: Well it all depends on several factors: spectral characteristic of IR source, beam shape, ...
Rev's user avatar
  • 31
2 votes

Will using auto-darkening welding helmets damage your vision?

I recently watched a YouTube video that held an answer. Auto-darkening helmets are actually permanently opaque to both UV and IR. You can test that by turning them to "grinding" mode, which turns the ...
Wayne Werner's user avatar
  • 1,861
2 votes

Does the See Clearly Method of vision improvement work?

Basically, no. Eye exercise programs of this kind do not work. Your eyes get enough exercise under normal conditions. There is no evidence that using glasses or contact lenses makes vision worse, and ...
Paul Johnson's user avatar
  • 16.6k

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