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skos:definition |
MSH: A nutritional condition produced by a deficiency of VITAMIN A in the diet, characterized 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. (From Cecil Textbook of Medicine, 19th ed, p1179),CSP: condition due to a deficiency of vitamin A.,NCI: Deficiency of vitamin A due to malnutrition, malabsorption, or dietary lack. It is manifested with reduced night vision, night blindness, and xerophthalmia.
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