Fun Eye Facts
The shark cornea has been used in eye surgery, since its cornea is similar to a human cornea
The number one cause of blindness in adults in the United States is diabetes
The eye of a human can distinguish 500 shades of the gray
The eyeball of a human weighs approximately 28 grams
The cornea is the only living tissue in the human body that does not contain any blood vessels
Sailors once thought that wearing a gold earring would improve their eyesight
All babies are color blind when they are born
Babies’ eyes do not produce tears until the baby is approximately six to eight weeks old
The most common injury caused by cosmetics is to the eye by a mascara wand
The highest recorded speed of a sneeze is 165 km per hour
The space between your eyebrows is called the Glabella
Your eyes blinks over 10,000,000 times a year
The giant squid has the largest eyeball on the face of the earth. At 18 inches across, it’s about the size of a beach ball
An ostrich eye is only two inches across, but it weighs more than its brain
A worm has no eyes at all
A chameleon’s eyes can look in different directions—at the same time
Each of our eyelashes has a “life span of approximately five months
Of all the muscles in our body, the eye muscles are the most active
An owl can see a mouse moving more than 150 feet away, with light no brighter than candlelight

