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Pupillary diurnal variation under open-loop condition. (Differences between open-loop and closed-loop condition). Takashi UTSUMI 1 , Yoichiro ONISHI 1 , Tadao HASHIMOTO 1 1Department of Ophthalmology, Osaka Medical College pp.615-623
Published Date 1978/6/10
DOI https://doi.org/10.11477/mf.1431904871
  • Abstract
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 In order to study the accurate comparison of the pupillary reflexes under various conditions, the measurement should be done under the quantitatively constant photic stimulus at the retinal aperture. In other words, the pupil reaction caused by the constant visual input is required for the detail comparative study. When the ordinary diffuse light is adopted for the photic stimulus, the visual input, the amount of the stimulus light which arrives at the retina, cannot help alterating owing to the pupil area which is not constant even before the pupillary reflex and varies during the light reaction through.


Copyright © 1978, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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