The human eye blinks an average of 4,200,000 times a year.
233
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
If the human eye was a digital camera, it would have 576 megapixels.
25
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The colossal squid has the largest eyes in the world.
4
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130