Roll Your Eyes Over These Fun Eye Facts

  1. Eyes are the second most complex organ, after the brain.
  2. The human eye starts to develop as early as the 2nd week of gestation?
  3. Newborns do not produce tears. Actual tears do not start to flow until at least 4 weeks of age.
  4. All babies are color blind at birth and only see shades of grey.
  5. Your eyeball contains more than 2 million working parts.
  6. Only 1/6 of the human is exposed.
  7. The average blink lasts for about 1/10th of a second.
  8. Eyelashes have an average life span of 5 months.
  9. Corneas are the ONLY body tissue that does not contain any blood.
  10. The iris contains 256 unique characteristics.
  11. Eyes heal quickly. With proper care, it only takes about 48 hours for the eye to repair a corneal scratch.
  12. Seeing is such a big part of everyday life that it requires about half of the brain to get involved.
  13. Around the world, about 39 million people are blind and roughly 6 times that many have some kind of vision impairment.
  14. Doctors have yet to find a way to transplant an eyeball.
  15. The cells in your eye come in different shapes. Rod-shaped cells allow you to see shapes, and cone-shaped cells allow you to see color.
  16. You blink at least 12 times every minute.
  17. You blink more frequently when you talk.
  18. It is impossible to keep your eyes open when you sneeze.
  19. The most common eye color is brown.
  20. Some people are born with two differently colored eyes. This condition is heterochromia.
  21. Oily fish, vitamin A and vitamin C all help to preserve good eyesight.
  22. Each of your eyes has a small blind spot in the back of the retina where the optic nerve attaches. You don’t notice the hole in your vision because your eyes work together to fill in each other’s blind spot.
  23. Out of all the muscles in your body, the muscles that control your eyes are the most active.
  24. 80% of our memories are determined by what we see.
  25. 80% of vision problems worldwide are avoidable or even curable.

Schedule your next eye examination with us and learn more fun facts about the human eye!

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