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Changes in pattern VECP after working with visual display terminal Shuichi Yamamoto 1 , Shigenobu Kawashima 2 , Norio Takeda 1 , Yasuo Kubota 1 1Dept of Ophthalmol, Fac of Med, Toyama Medical & Pharmaceutical Univ 2Dept of Ophthalmol, Kashima Rosai Hosp pp.569-572
Published Date 1991/4/15
DOI https://doi.org/10.11477/mf.1410900603
  • Abstract
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We evaluated the pattern visually evoked cor-tical potential (VECP) after working with video display terminal (VDT) in 13 young healthy sub-jects. There were no remarkable changes in peak latency time and amplitude of P100 when compared with normal controls or after paperwork. The tem-poral frequency tuning curve showed depressions in areas of 1-3 and 10-20 rev/sec after working with VDT. The spatial frequency tuning curve was also depressed in high frequencies. These results seemed to suggest dysfunctions in the optic pathway after working with VDT.


Copyright © 1991, 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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