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EPIDEMIOLOGICAL STUDY ON MYOPIA PREVALENCE RATE OF SCHOOL CHILDREN Kazuo Yonechi 1,2 1Department of Hygienics, School of Medicine, Tohoku University pp.413-426
Published Date 1971/3/15
DOI https://doi.org/10.11477/mf.1410204477
  • Abstract
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Refractive examination was performed on 14504 eyes of the pupil of primary and secon-dary school in Miyagi-prefecture.

The incidence of myopia of male at the age of the first grade of primary school is 9.57± 1.10% in the city, 6. 5±70.96% in farm village and 6.25±1.01% in fishing village. Probability of the male in the city is 0.05 in comparison with others.

But the difference of incidence in female at this age is not significant. (8.85±1.04% in city, 8.15±1.14% in farm village and 8.97±1.22% in fishing village).


Copyright © 1971, 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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