10 Fun Facts About Your Eyes

  • Newborn babies don’t produce tears; they make crying sounds, but don’t actually make tears until 4-13 weeks of age.
  • The eyes heal quicker than most organs; a corneal scratch will be repaired on its own within 48 hours.
  • About half of the brain’s activity is centered around your sight, it takes quite a bit of brain power for a person to be able to see.
  • There are different shaped cells within the eyes that help people see as they should–for example, rod and cone shaped cells.
  • While many parts of the eyes can be transplanted, a complete eye transplant has yet to be successful due to the complexity of the optic nerves that connect the eyes and brain.
  • The average blink only lasts about 1/10th of a second.
  • Throughout the entire world, around 39 million people are considered legally blind, and about 6 times that amount of people have some sort of vision issue.
  • Even if several generations of a family have no blue or green eyes present, the gene can still appear later on.
  • Everybody has a blind spot in their vision where their optic nerve is connected to the retina, but it’s not noticeable because the eyes work together to prevent it from being apparent.
  • The human eyeball is about 1 inch from one side to the other, and it only weights about 1/4 of an ounce.

Source: gouldvision./blog/

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