vitamin A deficiencymedical dictionary

A nutritional condition produced by a deficiency of vitamin A in the diet, characterised by night blindness and other ocular manifestations such as dryness of the conjunctiva and later of the cornea (xerophthalmia). vitamin A deficiency is a very common problem worldwide, particularly in developing countries as a consequence of famine or shortages of vitamin A-rich foods. In the united states it is found among the urban poor, the elderly, alcoholics, and patients with malabsorption.

(12 Dec 1998)

vitamin A2, vitamin A2 aldehyde, vitamin A aldehyde < Prev | Next > vitamin A unit, vitamin B, vitamin B1

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