Poor eyesight (myopia) is associated with higher IQ.
232
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Only about 2% of the world population has green eyes.
36
There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
22
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The human eye blinks an average of 4,200,000 times a year.
233
If the human eye was a digital camera, it would have 576 megapixels.
25