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Quasistatic characteristics of accommodation in patients with head and neck trauma Genjiro Ohmi 1 , Shigeru Kinoshita 1 , Masahito Ohji 2 , Masao Nakabayashi 2 1Dept of Ophthalmol, Osaka Univ Med Sch 2Division of Ophthalmol, Osaka Rosai Hosp pp.261-264
Published Date 1989/2/15
DOI https://doi.org/10.11477/mf.1410210645
  • Abstract
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We evaluated the quasistatic state of accommo-dation in 7 patients who had suffered from head and neck trauma one year or more before. The ages of the patients ranged from 25 to 39 years. As control, we also evaluated 11 normal subjects and 7 patients with visual fatigue due to work with video display terminal (VDT). Infrared optometer was used to determine the state of accommodation.

We could identify 2 heterogenous groups in the 7 patients with a history of head and neck trauma. In one group of 4 patients, accommodative spasm was the predominant feature. In the other group of 3 patients, accommodative paresis was present. In both groups, amplitude of accommodation was of lesser magnitude than in controls.


Copyright © 1989, 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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