[zeer-of-thal-mee-uh, -op-]
noun Ophthalmology.
abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.

1650–60; xer- + ophthalmia

xerophthalmic, adjective
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World English Dictionary
xerophthalmia (ˌzɪərɒfˈθælmɪə)
pathol Also called: xeroma excessive dryness of the cornea and conjunctiva, caused by a deficiency of vitamin A

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American Heritage
Medical Dictionary

xerophthalmia xe·roph·thal·mi·a (zēr'ŏf-thāl'mē-ə)
Extreme dryness of the conjunctiva resulting from disease localized in the eye or from a systemic deficiency of vitamin A. Also called xeroma.

The American Heritage® Stedman's Medical Dictionary
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