v 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.
v The eyeball of a human weighs approximately 28 grams.
v The cornea is the only living tissue in the human body that does not contain any blood vessels.
v Sailors once thought that wearing a gold earring would improve their eyesight.
v Men are able to read fine print better than women can.
v All babies are colour blind when they are born.
v The reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose.
v Some people start to sneeze if they are exposed to sunlight or have a light shined into their eye.
v 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.
v Your eyes blinks over 10,000,000 times a year!