Xerophthalmia (from Ancient Greek 'xērós' (ξηρός) meaning 'dry' and 'ophthalmos' (οφθαλμός) meaning 'eye') is a medical condition in which the eye fails to produce tears. It may be caused by vitamin A deficiency, which is sometimes used to describe that condition, although there may be other causes.
Xerophthalmia caused by a severe vitamin A deficiency is described by pathologic dryness of the conjunctiva and cornea. The conjunctiva becomes dry, thick and wrinkled. If untreated, it can lead to corneal ...
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