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Abstract
Do your eyes sting and burn? Do they feel gritty and irritated? You may have dry eye. This condition is just what it sounds like—you don't have enough tears coating your eyes to keep them comfortable. A reduction in the amount of tears normally accompanies aging. But it can also be caused by use of some prescription and nonprescription drugs, by eye infection or injury, or by a certain type of arthritis. Your primary care doctor or ophthalmologist can help determine the cause and best treatment of the problem.