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Japanese

Asupplemental Study of a new test chart based on the electrical excitabi1ity of the retina R. Hagino 1 , A. Nasu 1 1The Research Institute of Enviromental Medicine, Nagoya Univ. pp.657-662
Published Date 1956/4/15
DOI https://doi.org/10.11477/mf.1410205684
  • Abstract
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The visual function is indicated by the symthesis of the excitement of the ratina which accept the light impulse. The index of this symthesis seems to be the most suitable manner to dicide the grade of vision.

The new test chart was created based on the electrical excitability of fhe retina to satisfy this idea. The new test chart was consisted of Japanese Hirakana object, Japanes Katakana object, fourdot object, alphabet and Randolt's ring. The test of visual power by this new chart was proved to be suitale very much to dicide the regulation of the refrective error and to test the visual power of eye disease.


Copyright © 1956, 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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