Dry Eyes

Dry Eyes Symptoms & Signs

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Symptoms & Signs

Dryness of the eyes can be a normal response to weather or medications. Dryness of the eyes can also result from temporary or chronic health conditions. The tears of the of eye come from the tear gland, called the lacrimal gland, which is located above the outer eye. Tears are composed of water, oil, and antibodies. The moisture from tears on the front of the eye, the cornea, is important to avoid damage of the cornea.

Medically Reviewed by a Doctor on 2/22/2017

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REFERENCE:

Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.

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Other Causes of Dry Eye
  • Aging
  • Keratoconjunctivitis
  • Medications (Both Prescription and Nonprescription)
  • Neurological Diseases (With Impaired Nerves to the Tear Gland or Eyelid Muscles)
  • Tear Gland Disease (Tumors or Infiltrative Diseases, Such As Pemphigoid)
  • Trauma Injury
  • Weather (Particularly Warm, Dry, Windy)


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