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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.
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The FDA recognizes 118 routes of administration.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.