Sheep, goats, octopuses, and toads have rectangular pupils.
7
If the human eye was a digital camera, it would have 576 megapixels.
25
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Tigers can see 6 times better at night than humans.
305