Poor eyesight (myopia) is associated with higher IQ.
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
Tigers can see 6 times better at night than humans.
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.