Poor eyesight (myopia) is associated with higher IQ.
232
The colossal squid has the largest eyes in the world.
4
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Tigers can see 6 times better at night than humans.
305
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Only about 2% of the world population has green eyes.
36
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75