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The smallest visual angle as measured by the Landolt's ring Ken-ichi Ohye 1 1Odawara Hospital of Printing Bureau pp.455-458
Published Date 1960/2/15
DOI https://doi.org/10.11477/mf.1410206877
  • Abstract
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About 2618 nomal eyes the smallest visual angle was measured by the 0.2 Landolt's ring. In the test it was found that the average of the smallest visual angle was 23.8″ of arc. The "minimum separable" was estimated at 15.6″ of arc (4 eyes).


Copyright © 1960, 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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