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Clinical application of electrically evoked pupillary reflex (EEPR) Tsuyoshi Tanino 1 , Ichiro Horiuchi 1 , Kazuyuki Kurihara 1 , Masashi Kawasumi 2 1Department of Ophthalmology School of Medicine, Shinshu University 2Institute of Medical Electronics, Faculty of Medicine University of Tokyo pp.963-968
Published Date 1982/8/15
DOI https://doi.org/10.11477/mf.1410208681
  • Abstract
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The electrical stimulus to the cornea evokes pu-pillary reflex. This phenomenon was tentatively termed as electrically evoked pupillary reflex (EEPR). We examined the EEPR elicited by alter-nating current and its frequency characteristics in normal subjects and 6 patients with optic nerve disorders. As the standard procedure, the fre-quency of the stimulus was set at 18 Hz, the dura-tion of stimulus at 1 sec and the intensity at 1.0 mA. For the analysis of frequency characteristics, the frequency was changed between 2 and 80 Hz in 9 steps.


Copyright © 1982, 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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