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Dry eye: A deficiency of tears. The main symptom is usually a scratchy or sandy feeling as if something is in the eye. Other symptoms may include stinging or burning of the eye; episodes of excess tearing that follow periods of very dry sensation; a stringy discharge from the eye; and pain and redness of the eye.
Treatments for dry eyes may include: 1  Artificial tear drops and ointments. 2  Temporary punctal occlusion. 3  Non-dissolving punctal plugs and punctal occlusion by cautery (application of heat to tear exit duct). 4  Lipiflow. 5  Restasis. 6  Other medications and nutrition.