Poor eyesight (myopia) is associated with higher IQ.
232
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
Tigers can see 6 times better at night than humans.
305
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The colossal squid has the largest eyes in the world.
4
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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