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Japanese

An orthoptic apparatus consisting of two rotatory prisms Schuichi Matsuyama 1 1Department of Ophthalmology, School of Medicine, Hirosaki University pp.414-418
Published Date 1961/3/15
DOI https://doi.org/10.11477/mf.1410207205
  • Abstract
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The author presented an instrument for orthoptic training with two rotatory prisms and its use. Each prism contains two rotatable 10Δ prisms and pointer which can be rotated by means of a screw at the side of each eye-piece. The direction of prismatic effect is gai-ned, in every optional direction for treatment, according to rotating a bar. Thus the apparatus has a maximum total prismatic effect of 40 prism dioptres.

It is available for strengthening fusion power and also for some examinations of strabi-smus such as prism reflex test, prism cover test and etc.


Copyright © 1961, 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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