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Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.