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The Direction of the Landolt broken ring Ken-ichi Ohye 1 1Odawara Hospital of Printing Bureau pp.233-236
Published Date 1961/2/15
DOI https://doi.org/10.11477/mf.1410207180
  • Abstract
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One thousand one hundred and nineteen subjects were measured for the distance of the 0.2 Landolt broken ring by the observer on 8 directions. The results were shown to have Significant Differences between crossing directions and 4 oblique directions, upper side and lower side.


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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