The colossal squid has the largest eyes in the world.
4
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
Poor eyesight (myopia) is associated with higher IQ.
232
Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
The human eye blinks an average of 4,200,000 times a year.
233
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Tigers can see 6 times better at night than humans.
305