Eye facts

Our eyes are very complicated and amazing. They seem pretty simple, but there’s really a lot to know about how they function.These are some of the eye facts you shouldn’t know

You’ve had your peepers since you were born, so you may think you know them pretty well, but here are some fun facts you may not know about eyes:

• The human eye blinks an average of 4,200,000 times a year.
• It’s impossible to sneeze with your eyes open.
• Our eyes are always the same size from birth, but our nose and ears never stop growing.
• Blinking helps to wash tears over our eyeballs. That keeps them clean and moist. Also, if something is about to hit our eye, we will blink automatically.
• Our body has some natural protection for our eyes. Our eyelashes help to keep dirt out of our eyes. Our eyebrows are made to keep sweat from running into our eyes.
• 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 is diabetes.
• The eyeball of a human weighs approximately 28 grams.
• The eye of a human can distinguish 500 shades of the gray.
• 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.
• Research has indicated that a tie that is on too tight cam increase the risk of glaucoma in men.
• People generally read 25% slower from a computer screen compared to paper.
• Men are able to read fine print better than women can.
• 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 reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose.
• The most common injury caused by cosmetics is to the eye by a mascara wand.
• Some people start to sneeze if they are exposed to sunlight or have a light shined into their eye.

Around the pupil is a colored muscle called the “iris.” Our eyes may be BLUE, BROWN, GREEN, GRAY OR BLACK,because that is the color of the iris.

Our eyes have many parts. The black part on the front of our eye is called the “pupil.” It is really a little hole that opens into the back part of our eyes.