Keratoconjunctivitis Sicca
Alternate Names : Dry Eye Syndrome, Keratitis Sicca, Xerophthalmia
Definition
Keratoconjunctivitis sicca is a persistent dryness of the cornea and conjunctiva due to decreased function of the tear glands or increased evaporation of tears. The cornea may be thickened and visual acuity may be decreased.
See also conjunctivitis, decreased tearing, vitamin A deficiency, and Sjogren syndrome.
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Overview, Causes, & Risk Factors
Dry eye syndrome usually occurs in people who are otherwise healthy. It is more common with older age, because tear production decreases with age. In rare cases, it can be associated with rheumatoid arthritis, lupus erythematosis, and other similar diseases. It may also be caused by thermal or chemical burns.
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