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On Visual Acuity of Infant School Children M. Kozaki 1 , K. Koyama 1 , H. Shibata 1 , T. Mikami 1 1Osaka City Children Medical Center Pediatric Ophthalmology. Osaka Medical College Department of Ophthalmology. pp.661-666
Published Date 1966/5/15
DOI https://doi.org/10.11477/mf.1410203421
  • Abstract
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The attendants of kindergartens throughout the city of Osaka from 3 to 5 years of age wiwere subjected to visual acuity examina-tion th the Landolt ring yearly for 3 consecu-tive years from 1963 to 1965.

1) A total of 23, 896 children or 47,792 eyes could be investigated. The material consisted of 347 children of 3 years of age, of 6,698 children of 4 years of age and of 16,851 of 5 years of age.

2) Visual acuity of over 1.0 was obtained in 67.0% of 3-year-old children, in 75.9% of 4-year-old ones and in 86.1% of 5-year-old ones.


Copyright © 1966, 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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