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Japanese

A case of optic neuropathy due to malnutrition and presumed thiamine deficiency Tadafumi Adachi 1 , Katsuyoshi Suzuki 1 , Naoki Kumagai 1 , Teruo Nishida 1 pp.607-611
Published Date 2004/4/15
DOI https://doi.org/10.11477/mf.1410101085
  • Abstract
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A 64-year-old male presented with progressive central visual field defect in both eyes since 12 days before. He was a heavy smoker puffing 40 cigarettes a day since the age of 20 years. He was also a habitual drinker consuming 700ml of sake every day without regular eating at mealtime. His corrected visual acuity was 0.05 right and 0.1 left. The critical fusion frequency(CFC)was 11Hz right and 13Hz left. Goldmann perimetry showed central cecocentral scotoma in both eyes. Peripheral blood showed almost normal findings except decreased level of thiamine,or vitamin B1. He was tentatively diagnosed with malnutrition optic neuropathy and was given vitamin B complex intravenously. His corrected visual acuity improved to 0.5 in both eyes 8 days later and to 0.7 right and 0.9 left 5 weeks later. CFC improved to 25Hz in either eye. The central cecocentral scotoma became decreased. This case illustrates that optic neuropathy may result from malnutrition secondary to prolonged biased eating habit and heavy drinking.


Copyright © 2004, 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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