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Early diagnosis of glaucoma by temporal modulation perimetry under direct observation of the fundus Eiichi Yukawa 1 , Jun Fukuhara 2 , Mototsugu Saishin 1 1Dept of Ophthalmol, Nara Med Univ 2Dept of Ophthalmol, Nara Prefectural Mimuro Hosp pp.1385-1390
Published Date 1997/7/15
DOI https://doi.org/10.11477/mf.1410905515
  • Abstract
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Temporal modulation perimetry measures the retinal sensitivity to sinusoidal flickering stimuli over the central fundus area of 30 degrees. Retinal vessel induces reduced sensitivity while using targets smaller than 2 degrees. This error can be eliminated by direct observation of the fundus during the measurement. We observed significant decreases in temporal modulation sensitivity at the frequency of 20 Hz in two patients with glaucoma at stages before no abnormality was elicited by computerized automated perimetry. The present method promises to be of value in the early diagnosis of glaucoma.


Copyright © 1997, 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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