Physical processes involved when seeing, and comparisons between with other light detection systems. Includes questions about the eye, optical nerve, brain, corrective lenses, etc.

learn more… | top users | synonyms

7
votes
4answers
6k views

Eyes open under water

Yesterday I looked underwater with my eyes open (and no goggles) and I realized I can't see anything clearly. Everything looks very, very blurry. My guess is that the eye needs direct contact with air ...
4
votes
2answers
282 views

Sensitivity of eye

In which color human eye is most sensitive?