We should never put
anything in or near our eyes, unless we have a reason to use
eye drops. We would only do that if our doctor or parent told
us to use them.
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.
Our eyes are very
important to us, and we must protect them. We don't want dirt,
sand, splinters or even fingers to get in our eyes. We don't
want our eyes to get scratched or poked. That could damage our
sight!
The study of the
iris of the eye is called iridology.
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 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.
The conjunctiva is a
membrane that covers the human eye.
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.
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