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Standard Values for Accommodation in Normal Japanese. A New Proposal Izumi Hirose 1 1Ophthalmological Department, Yamaguchi Prefectural Central Hospital pp.523-527
Published Date 1968/4/15
DOI https://doi.org/10.11477/mf.1410203842
  • Abstract
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Standard values for accommodation for vari-ous ages of normal Japanese subjects were first published by Ishihara in 1919 and have been followed by numerous attempts at modification by various authors until the latest one by Fukuda et al. in 1962 (Fig. 1). For the sake of more accuracy and practical convenience, following values are proposed as the standard ones by the present author:

For 5,10 & 15 years of age: 14,12 & 10 dio-pters (allowed deviation: ±1.5D).

For 20, 25, 30……55 years: 9, 8, 7, 6, 5, 3, 2 & 1 D respectively (deviation: ±1.0D).

For 60 years: 0.5D (deviation: ±0.5D),


Copyright © 1968, 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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