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Changes of some visual functions during television viewing Misao Uemura 1 , Mizuo Matsui 1 , Tetsuo Shimazaki 1 , Michio Nozaki 1 1Dept. of Ophth., Keio Univ. School of Medicine pp.481-491
Published Date 1960/2/15
DOI https://doi.org/10.11477/mf.1410206882
  • Abstract
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In order to investigate the influences of television viewing on the visual function, vis-ual acuity, flicker fusion frequency, accommodation time, and accommodation near pointwere examined in 7 volunteers of junior high school boys by the use of 17-inch receiver.

The fluctuations in visual acuity and flicker fusion frequency were minimal and were not associated with television viewing. The prolongation of accommodation time and near point was the smallest under environment illumination of 25 lx compaired with those under daylight 300lx, 200lx, and dark-room.


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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