1. People generally read 25% slower from a computer screen compared to paper.
2. The cornea is the only living tissue in the human body that does not contain any blood vessels.
3. It's impossible to sneeze with your eyes open.
4. All babies are colour blind when they are born.
5. The eye of a human can distinguish 500 shades of the gray.
6. The eyeball of a human weighs approximately 28 grams.
7. The reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose.
8. The human eye blinks an average of 4,200,000 times a year.
9. Our eyes are always the same size from birth, but our nose and ears never stop growing.
10. Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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