30 More Fun Facts About The Eyes

Blog by Ivan J. Srut, O.D.
Chief of Optometry for St. Hope Foundation

First of all I would like to welcome the newest member of our Vision family, Dr. Sabrina Charrier! As a department we are proud to be able to provide more available doctor days in order for our clients to be able to obtain yearly and medical eye exams!

I hadn’t done fun facts since last summer, and I know it’s easy to get bored with technical aspects of eyes and eye care, so here are some more fun facts about your peepers!

1 The world’s most common eye color is brown
2 Humans can see more shades of green than any other color
3 Chameleons can move their eyes in two directions at once
4 Dolphins can sleep with one eye open
5 Blue eyed people are more tolerant of alcohol, but less tolerant of the sun
6 Dogs cannot distinguish between red and green
7 Blind people can see their dreams as long as they weren’t born blind
8 We spend about 10% of our wake time with our eyes closed
9 The lifespan of an average eyelash is 5 months, while rest of your hair lasts 2-4 years
10 Some people have two different eye colors, a condition called heterochromia
11 The only organ more complex than the eye is the brain
12 The shark cornea is almost identical to a human cornea
13 80% of all learning comes through the eyes
14 Your eyes can get sunburned
15 The most active muscles in your body and in your eyes
16 If the human eye were a digital camera it would have 576 megapixels
17 Your eyes can distinguish approximately 10 million different colors
18 Your eyes focus on 50 different objects every second
19 Your eyes can detect a candle flame 1.7 miles away
20 Your iris has 256 unique characteristics, while your fingerprint only has 40
21 Our ears and nose grow throughout life, but eyes stay the same size from birth
22 Our eyes contain about 107 million sensitive cells
23 Birds, cats and dogs have 3 eyelids
24 Ommatophobia is a fear of the eyes
25 Contrary to urban myth, contact lenses can’t be “lost” behind the eye due to eyeball structure 26 The older we get, the less tears we produce
27 You blink about 15-20 times in a minute
28 Only one sixth of your eyeball is visible
29 A single scallop can possess over a hundred eyes
30 All babies are color blind at birth

I hope you have enjoyed more fun facts about the eyes. Until next time…