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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If the human eye was a digital camera, it would have 576 megapixels.
25
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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The colossal squid has the largest eyes in the world.
4
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