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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Only about 2% of the world population has green eyes.
36
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
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The human eye blinks an average of 4,200,000 times a year.
233
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 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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