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Japanese

A new qualitative test of colour vision Takuji Yamamoto 1 1Department of Ophthalmology, Yokosuka kyosai Hospital pp.383-387
Published Date 1962/4/15
DOI https://doi.org/10.11477/mf.1410202470
  • Abstract
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The author intended to produce the test plate with colour disks in order to classify cong-enital colour vision deficiency and express the grade of defective colour vision quantatively, by using protanopic neutral colours i. e. purplish red and those of deuteranopic.

The chroma of neutral colours of protanopic and deuteranopic, which is used in this test plate, is seven gradations with colours of gradually ecreasing chroma from high to low grade.

Gray spots of the three kinds were arranged in each test plate, dotting a single coloured spot of different chroma belonging the same hue inthese circles.


Copyright © 1962, 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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