When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
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.
1k
Poor eyesight (myopia) is associated with higher IQ.
232
If the human eye was a digital camera, it would have 576 megapixels.
25
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
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131