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Definition

noun

Excessive dryness of the cornea and conjunctiva

Supplement

The dryness of the eyes is associated with the deficiency of vitamin A, trauma, autoimmune disorders, and localized disease. These factors result in the decrease in tear secretion, thus, leaving the eyes dry and lacking in eye surface lustre.

Word origin: Greek xeros (dry) + ophthalmos (eye)

Synonym(s):

• xeroma
• dry eye syndrome

See also:

• xerosis

Mentioned in:

• Vitamin a deficiency