When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The colossal squid has the largest eyes in the world.
4
Poor eyesight (myopia) is associated with higher IQ.
232
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130