Business & Finance
Computers & Internet
Countries & Places
Food & Drink
Health & Body
Law & Crime
TV & Film
Today in History
19 facts tagged with Eye Facts
Sectoral heterochromia is an eye condition where one part of the iris appears different to the rest. It's generally a result of excessive pigment.
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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.
Sheep, goats, octopuses, and toads have rectangular pupils.
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
The colossal squid has the largest eyes in the world.
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.
If the human eye was a digital camera, it would have 576 megapixels.