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Japanese

Fundamentals of a trial-manufactured projection perimeter (1) Tsutomu Kojo 1 1Ophthalmic Clinic, Tokyo Kosei Nenkin Hospital. pp.204-207
Published Date 1960/2/15
DOI https://doi.org/10.11477/mf.1410206832
  • Abstract
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The author manufactured for trial a new projection perimeter like the Aimark projection perimeter. In black and white perimetry the target and background luminosity, physical contrast (Δ1/1) and the visual field limits of 3 persons were examined. The diameters of the targets were 2.5, 5.0 and 10.0mm. A series of gray filters permitted the target lumi-nosity to be reduced, corresponding with a series of 0.49, (0.49)2 transmission. From the results obtained, the author belived to be able to use it clinically under the condition which the background luminosity is over 32 asp.


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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