You blink about 12 times every minute.
Some people are born with two differently colored eyes. This condition is heterochromia.
The human eye can differentiate approximately 10 million different colors.
The world’s most common eye color is brown.
Brown eyes are blue eyes underneath. A person can receive surgery in order to make their brown eyes blue.
Ommetaphobia is the fear of eyes.
Our eyes remain the same size throughout life, whereas our nose and ears never stop growing.
People who are blind can see their dreams if they weren’t born blind.
The human eye can see 500 shades of gray. (Not 50)
It’s impossible to sneeze with your eyes open. (Try it!)
We actually see things upside down and our brain turns the image the correct way up.
In space, an astronaut cannot cry. Due to the lack of gravity in space, tears do not fall. Instead they collect in little balls and make a person’s eyes sting.
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