The colossal squid has the largest eyes in the world.
4
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
Only about 2% of the world population has green eyes.
36
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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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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