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Fun Facts About Eyes

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  • How many shades of a color can the typical human eye distinguish? A. 30 B. 6 C. 500 D. 75
    The human eye can distinguish about 500 shades of a color.
  • True or false.....it is impossible to sneeze with your eyes open.
    True
  • At what age can a baby see most things clearly?
    At about two months a baby can see clearly if they have normal eyesight. Before that things are fuzzy and blurry.
  • How many times does the average person blink in one minute?
    The average person blinks about 12 times each minute. That's more than 10,000 times a day!
  • About how many working parts do your eyes have? A. 2 million B. 500,000 C. 600 D. 55
    Your eyes are made up of about 2 million working parts.
  • What is the black part of your eye called?
    The pupil
  • What is the colored part of your eye called?
    The iris
  • Who is more likely to be colorblind, males or females?
    Males are more likely to be colorblind (1 in 12 men and 1 in 200 women).
  • Which is faster for most people, reading on a computer screen or reading on paper?
    People generally read about 25% slower on a computer screen than paper.
  • How much does one human eyeball weigh? A.  5 ounces  B.  1 pound  C. 1 ounce
    One human eyeball weighs about 28 grams or 1 ounce
  • At what age does the human eyeball reach it's full size?
    At about age 12 your eyeball reaches its full size.
  • What is the most common eye color worldwide?
    Brown
  • What is the term for when someone has two different color eyes?
    Heterochromia (Hetero = different; chromia = color)
  • Who sees better, hawks or humans
    Hawks (and eagles) see better than humans
  • What do near-sighted and far-sighted mean?
    People who are near-sighted can’t see things far away. People who are far-sighted can’t see things close up. This happens because the eyeball is too long or is
  • How much of your eyeball is exposed to the outside world? A. 1/2 B. 1/4 C. 3/5 D. 1/6
    About 1/6 of your eyeball (17%) is exposed to the outside world.
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