Tigers can see 6 times better at night than humans.
305
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The colossal squid has the largest eyes in the world.
4
Only about 2% of the world population has green eyes.
36
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Poor eyesight (myopia) is associated with higher IQ.
232
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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