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
Only about 2% of the world population has green eyes.
36
The colossal squid has the largest eyes in the world.
4
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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