There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human eye blinks an average of 4,200,000 times a year.
233
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Only about 2% of the world population has green eyes.
36
Sheep, goats, octopuses, and toads have rectangular pupils.
7
If the human eye was a digital camera, it would have 576 megapixels.
25
Poor eyesight (myopia) is associated with higher IQ.
232
