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CECILIA SCHUCK, Ph.D.; WILMA O. MILLER, M.S.

Arch Intern Med. 1938;61(6):910-915.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Evidence for the belief that night blindness represents the first symptom of vitamin A deficiency has been accumulating for some time.

Until recently the condition of night blindness has been considered rare in North America. Hess and Kirby,¹ seeking to determine the incidence of the condition, sent questionnaires to American ophthalmologists inquiring as to the number of cases that they had identified among their patients, and all who reported stated that night blindness is uncommon. This was interpreted to mean that deficiency of vitamin A is of infrequent occurrence in North America. The later work of Jeans and Zentmire² with the Birch-Hirschfeld visual photometer and that of Jeans, Blanchard and Zentmire³ with the biophotometer indicated that night blindness is common among children. These workers also presented evidence of vitamin A deficiency as a causative factor. Likewise the study of Park⁴ and of Jeghers,⁵ using the . . . [Full Text PDF of this Article]

Author Affiliations
LAFAYETTE, IND.

From the Department of Foods and Nutrition, School of Home Economics, Purdue University.

Footnotes
A preliminary report, an abstract of which appeared in the Journal of Home Economics for October 1937, was presented before the division on food and nutrition at the thirtieth annual meeting of the American Home Economics Association at Kansas City, Kan., on June 22, 1937.

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