All Questions
Tagged with environmental-health ophthalmology
5 questions
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 ...
- 209
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
...
- 481
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:
...
- 293
11
votes
2
answers
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 ...
- 270
46
votes
3
answers
24k
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 ...
- 1,501