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Japanese

Visual acuity of blue cone system and its clinical use Yoshihide Nakai 1 , Takakazu Ohara 1 , Minoru Yokoyama 1 1Department of Ophthalmology, Mie University School of Medicine pp.1295-1299
Published Date 1981/8/15
DOI https://doi.org/10.11477/mf.1410208418
  • Abstract
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Visual acutiy of the blue cone system was mea-sured with Landolt C projected through a blue filter (max. 450nm) on a wide yellow field of 2000 asb. The blue cone vison obtained with suprathreshold stimuli was found to be a very stable clinical indi-cator without case to case variation or age to age alteration. Averaged value of the blue cone vision from 35 normal eyes was 0.16±0.03. This was sele-ctively reduced in some cases with idiopathic cen-tral choriodopaty, retinal detachment, open angle glaucoma and retinitis pigmentosa and was occa-sionally retarded in the course of recovery.


Copyright © 1981, 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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