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
What is the colored part of your eye called?
The iris
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.
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 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!
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 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.
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
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).
What is the most common eye color worldwide?
Brown
Who sees better, hawks or humans
Hawks (and eagles) see better than humans
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