There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
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
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
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Tigers can see 6 times better at night than humans.
305
If the human eye was a digital camera, it would have 576 megapixels.
25
The human eye blinks an average of 4,200,000 times a year.
233