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30 More Fun Facts About The Eyes
March 13, 2020
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!
- The world’s most common eye color is brown
- Humans can see more shades of green than any other color
- Chameleons can move their eyes in two directions at once
- Dolphins can sleep with one eye open
- Blue eyed people are more tolerant of alcohol, but less tolerant of the sun
- Dogs cannot distinguish between red and green
- Blind people can see their dreams as long as they weren’t born blind
- We spend about 10% of our wake time with our eyes closed
- The lifespan of an average eyelash is 5 months, while rest of your hair lasts 2-4 years
- Some people have two different eye colors, a condition called heterochromia
- The only organ more complex than the eye is the brain
- The shark cornea is almost identical to a human cornea
- 80% of all learning comes through the eyes
- Your eyes can get sunburned
- The most active muscles in your body and in your eyes
- If the human eye were a digital camera it would have 576 megapixels
- Your eyes can distinguish approximately 10 million different colors
- Your eyes focus on 50 different objects every second
- Your eyes can detect a candle flame 1.7 miles away
- Your iris has 256 unique characteristics, while your fingerprint only has 40
- Our ears and nose grow throughout life, but eyes stay the same size from birth
- Our eyes contain about 107 million sensitive cells
- Birds, cats and dogs have 3 eyelids
- Ommatophobia is a fear of the eyes
- Contrary to urban myth, contact lenses can’t be “lost” behind the eye due to eyeball structure
- The older we get, the less tears we produce
- You blink about 15-20 times in a minute
- Only one sixth of your eyeball is visible
- A single scallop can possess over a hundred eyes
- All babies are color blind at birth
I hope you have enjoyed more fun facts about the eyes. Until next time…
