Abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A WordNet 3.0 & Open English WordNet

Xerophthalmia is a medical condition in which the eye fails to produce tears. Wikipedia

Human disease Wikidata

Dryness of the eye. Wiktionary

A condition due to a deficiency of vitamin A where the conjunctiva and cornea become dry. The condition starts with conjunctival xerosis and night blindness and progresses to corneal xerosis and, later, a severe condition called keratomalacia. Wiktionary

Condition. Wiktionary (translation)