Sheep, goats, octopuses, and toads have rectangular pupils.
7
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If the human eye was a digital camera, it would have 576 megapixels.
25
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
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
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132