Tear production normally decreases as we age. Furthermore, people often lose the proper balance of oil, water, and mucus in their tears as they grow older, leading to an unhealthy tear film and the symptoms of dry eye. Dry eye syndrome also can be associated with systemic diseases like arthritis and occasionally with a dry mouth. Medications sometimes cause dry eye syndrome by reducing tear secretion. Among the common medications that can cause dry eye are diuretics, beta-blockers, antihistamines, sleeping pills, anxiety medications, pain relievers, or alcohol. Be sure to tell your ophthalmologist the names of all the medications you are taking. Additionally, wearing contact lenses can sometimes worsen dry eye syndrome because an adequate tear film is necessary to tolerate a contact lens comfortably on the surface of the eye.