* An average person blinks 12 times per minute – about 10,000 blinks/day.
* Human eyes are composed of more than 2 million working parts.
* Human eyes are the most complex organs except brain.
* The eye of a human can distinguish 500 shades of the gray.
* Under the right conditions, the human eye can see the light of a candle at a distance of 14 miles.
* Our human eye is 576 mega pixel!
* The shark cornea has been used in eye surgery, since its cornea is similar to a human cornea.
* Only 1/6th of human eyeball is exposed to the outside world.
* The number one cause of blindness in adults in the United States is diabetes.
* Corneas are the only tissues that don’t require blood.
* Human eyes can process 36,000 bits of information every hour.
* The eyeball of a human weighs approximately 28 grams.
* Colour blindness is 10 times more common in males than females.
* It is impossible to sneeze with eyes open.