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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Tigers can see 6 times better at night than humans.
305
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Poor eyesight (myopia) is associated with higher IQ.
232
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Sheep, goats, octopuses, and toads have rectangular pupils.
7