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Japanese

Accommodation and eye strain in cathode ray tube (CRT) work Shinji Kurimoto 1 , Tsuneto Iwasaki 1 , Tsunetami Nomura 1 , Kumi Sagara 1 , Kageyu Noro 2 , Sakae Yamamoto 2 1Department of Ophthalmology, University of Occupational and Environmental Health 2Department of Human engineering, University of Occupational and Environmental Health pp.1155-1160
Published Date 1982/9/15
DOI https://doi.org/10.11477/mf.1410208715
  • Abstract
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We evaluated the state of accommodation fol-lowing eye strain induced by looking at cathode ray tube (CRT) in computer-related office works. The power of accommodation was measured in 17 subjects before and after working with CRT for 2 hours and 2 hours after rest. The 17 subjects were from 3 age groups : upper age (58 to 65 years : 5 subjects), middle age (38 to 41years : 5 sub-jects) and young age (19-21 years : 7 subjects).

The near point accommodation increased by 2 cm in the middle and upper age group after CRT work The change was significant (p<0.1). There was no change in the young age group.


Copyright © 1982, 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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