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Studies on the method for measurement of objective Visual Acuity:(Part X) Comparative studies between subjective and objective visual acuity measured by our newly built-up apparatus with some improvements Shuitsu Nakao 1 , Keizo Kise 1 , Toshiaki Matsumura 1 , Katsuhiko Miyazawa 1 , Takeo Kamitsuzi 1 , Mitsuko Morioka 1 1Dept. of ophth. Nara medical college pp.484-490
Published Date 1961/4/15
DOI https://doi.org/10.11477/mf.1410207216
  • Abstract
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1) Some improvements were afforded on our objective vision test apparatus.

a) Narrowing of the back ground area ; ca 1/4 of the back ground area of the formerapparatus.

b) Fixation of the objective visual distance ;5m, when testing of visual acuity above. 0.1, 3m, when testing of v. a. below 0.1.

c) Application of 5 linear test objects ; ratio of the width of the linear test object aga-inst the broken width is 1/2, standards of the test object classified to 5 degrees, corres-ponding to v. a. of 1.0, 0.7, 0.2, 0.07, 0.03.

2) The experimental condition is as follows.


Copyright © 1961, 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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