Vitamin A deficiency and its effects on human health, the eyes in particular, is an area of medicine in which most health care personnel in the United States and other industrialized nations have little to no experience. Yet vitamin A deficiency has been and continues to be a significant factor in the morbidity and mortality of millions of persons. Xerophthalmia, which results from vitamin A deficiency, is among the leading causes of preventable blindness worldwide and remains the most common cause of preventable childhood blindness.
Vitamin A Deficiency: Health, Survival, and Vision. Arch Ophthalmol. 1998;116(3):404–405. doi:https://doi.org/
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