Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
The human eye blinks an average of 4,200,000 times a year.
233
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22