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  • Title: Xerophthalmia and blindness in Northeast Brazil.
    Author: Simmons WK.
    Journal: Am J Clin Nutr; 1976 Jan; 29(1):116-22. PubMed ID: 1082239.
    Abstract:
    Dietary and biochemical data have indicated that hypovitaminosis A is a public health problem in Northeast Brazil. However, there are few reports regarding clinical signs of hypovitaminosis A. Therefore, an epidemiological study was designed to study this problem. The study as done was primarily a review of hospital records of xerophthalmia in each state with attention paid to other nutrition factors. It was found that xerophthalmia is a problem in Northeast Brazil and a cause of blindness in certain areas. However, the number varied greatly from some states to others. Around 1,000 preschool-age children were recorded as blind from vitamin A deficiency in a 1-year period. It was also noted that the peak incidence of xerophthalmia and blindness was around 1 year of age. The government of Brazil is taking urgent measures to combat this deficiency with such measures as the supplementation of sugar with vitamin A and the distribution of massive doses of vitamin A.
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