Eyes (Part 1) | Amazing Facts

Eye Amazing Facts 4u

50 Amazing and awesome Facts About Eyes (Part 1) | Amazing Facts 4U

  1. You see with your brain, not your eyes. Eyes function like a camera, capturing light and sending data back to the brain for it to form image.
  2. In a normal life span your eyes will see almost 24 million images of the world around you.
  3. Amazing fact is that although our nose and ears keep growing throughout our lives, our eyes remain the same size from birth.
  4. All babies are color blind at birth.
  5. A newborn baby will cry, but not produce any tears. Babies do not produce tears until they are around six weeks old.
  6. Amazingly cornea has no blood supply. It takes in oxygen directly from air.
  7. Our eyes have small blind spots where the optic nerve passes through the retina, and our brains use the information from the other eye to fill this gap.
  8. Amazing fact is that while reading as you focus on each word , your eyes swing back and forth 100 times a second .
  9. Every second retina performs 10 billion computer like calculations.
  10. We blink our eyes once every six second i.e. 250 million times in a lifetime.
  11. We spend about 10% of our waking hours with our eyes closed, blinking.
  12. Blink usually lasts 100 to 150 milliseconds and it is possible to blink 5 times a second.
  13. If you could save all the times your eyes blink in one life time and use them all at once you would see blackness for 1.2 years!
  14. You blink less when you read which is the reason eyes get tired. When you talk you blink more.
  15. In the right conditions and lighting, human eyes are capable of seeing the light of a candle from 14 miles away.
  16. It’s impossible to sneeze with your eyes open. Try it!
  17. People generally read 25 percent slower on screen than on paper.
  18. People say “in the blink of an eye” because it is the fastest muscle in your body.
  19. When working at a computer, you should follow the 20-20-20 rule . Look at something twenty feet away from your computer every twenty minutes for twenty seconds.
  20. Eyes contain 107 million cells which are sensitive to light.  7 million cones help us to see color details while 100 million rods help us to see in the dark.
  21. You see things upside down . It is your brain which turns the image the right way up.
  22. The human eye only sees three colors, red, blue and green. All other colors are combination of these.
  23. Smoking reduces your night vision.
  24. If you go blind in one eye you only loose around 1/5 of your total vision.
  25. Amazing fact is that the focusing muscles of the eyes move around 100,000 times a day. You will require walking 80 km for your legs to equal the amount of exercise your eyes get daily.
  26. Amazingly one quarter of the human brain is used to control the eyes as the eye muscles are the most active muscles in the human body.
  27. The muscles in the eye are 100 times stronger than they need to be to perform their function.
  28. Amazing fact is that if you go blind in one eye, you only lose about one fifth of your vision, but all your sense of depth.
  29. The reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose through nasolacrimal duct.
  30. An eyebrow typically contains 500 hairs.
  31. An eyelash lives about 5 months.
  32. Amazing fact is that we all have tiny mites living in our eyelashes.
  33. People with blue eyes see better in dark. They also have a higher alcohol tolerance.
  34. The pupil of the eye expands as much as 45 percent when person looks at something pleasing.
  35. A blink of an eye lasts for 1/10th of a second.
  36. Eyes blinking is a complicated process and a human eye blinks 4.2 million times in a year.
  37. Amazing fact is that your eyes will never wear out.
  38. Your eyes are always active 24/7. The eye is the only part of the human body that can function at 100% ability at any moment without rest.
  39. Eyes can process 36000 bits of information every hour.
  40. Amazing fact is that human eye is the only multifocus lens in the world which can adjust in 2 milliseconds.
  41. Amazingly human corneas are so similar to shark corneas that shark corneas have been used as replacement in human eye surgeries.
  42. Our eyes can distinguish up to one million color surfaces and take in more information than the largest telescope known to man.
  43. It can amazingly distinguish between 500 shades of grey.
  44. About 2% women have a rare genetic mutation that enables them in having an extra retinal cone in their eyes. This allows them to see almost 100 million colors.
  45. There are in fact colors that are too complex for the human eye called “Impossible Colors.”
  46. World’s most common eye color is brown. Level of Melanin in iris decides the eye color. Brown eyes have excessive Melanin.
  47. Fact is brown eyes are actually blue underneath due to collagen and a laser procedure can turn brown eyes into blue by removing Melanin.
  48. 10,000 years ago, everyone’s eyes were brown until someone living by the Black Sea developed a genetic mutation that made their eyes blue.
  49. Blue-eyed people share a common ancestor with every other blue-eyed person in the world.
  50. Only 2 % of World population naturally have green eyes.

By Amazing Facts 4U Team

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