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Acquired night blindness in a case with vitamin A deficiency Celso Soiti Matsumoto 1 , Masamoto Imaizumi 1 , Kazuo Nakatsuka 1 1Dept of Ophthalmol, Oita Med Univ pp.863-865
Published Date 1998/5/15
DOI https://doi.org/10.11477/mf.1410905875
  • Abstract
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A 52-year-old male presented with night blindness of 2 years' duration. He had had multiple abdominal surgery for abdominal tumor and gallbladder stone since 12 years before. Funduscopy showed diffuse yellow-white spots in both eyes. Electroretinogram showed severe rod dysfunction and moderate cone dysfunction. The serum level of vitamin A was extremely low at less than 30 ng/dl. Vitamin A deficiency seemed to be the cause of night blindness. Intravenous administration of vitamin A induced increase in its serum level to 233 ng/dl 5 weeks later followed by disappearance of night blindness. This case illustrates that night blindness due to vitamin A deficiency is a possibility in the presence of a history of abdominal surgeries.


Copyright © 1998, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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