Dry eye syndrome (keratoconjunctivitis sicca) occurs when the tear glands do not make enough tears or when too many tears evaporate from the surface of your eye. This causes your eyes to feel itchy, scratchy, and irritated. It is more common in older adults and in those with autoimmune diseases, such as arthritis.

Wearing contact lenses may increase your risk for dry eye syndrome. Dry eyes also may be caused by certain medicines, such as antidepressants, antihistamines, and diuretics.

To help soothe your dry eyes, you can try an over-the-counter lubricant eye drop (artificial tears solution), such as Hypo Tears or Systane. You can also try to blink a lot, limit your time in air-conditioned or heated rooms, and use a humidifier in rooms where you spend a lot of time.

If you've used artificial tears for a few days and they don't seem to be helping, call your doctor. Excessive dryness can damage your eyes.

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