12 interesting Eye Facts

  1. An ostrich’s eye is bigger than it’s brain.
  2. Eyes are organs that detect light, and send electrical impulses along the optic nerve to the visual and other areas of the brain.
  3. The average person blinks 12 times per minute.
  4. Babies cry but don’t produce tears until one to three months after birth.
  5. A weakness of the vertebrate eye is the blind spot at the optic disc where the optic nerve is formed at the back of the eye; there are no light sensitive rods or cones to respond to a light stimulus at this point.
  6. Our eyes are always the same size from birth, but our nose and ears never stop growing.
  7. 96% of animal species possess a complex optical system.
  8. All babies are color blind when they are born.
  9. The eyeball of a human weighs approximately 28 grams.
  10. The eye of a human can distinguish 500 shades of the gray.
  11. Our eyebrows are made to keep sweat from running into our eyes.
  12. Eyes are composed of more than two million working parts.