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Japanese

Principles of a Lately Developed Coincidence Refractometer Minoru Tanaka 1 , Shiro Takizawa 1 1Research Department, Tokyo Kogaku Kikai Co. pp.1025-1030
Published Date 1966/7/15
DOI https://doi.org/10.11477/mf.1410203479
  • Abstract
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A description is given over the construction and optical principles of Topcon coincidence refractometer which is the first commercially available type to be produced of its kind in Japan.

The instrument has notable advantages over the earlier refractometer, several original ideas being applied as follows. For one, the target system to fix the gaze of the eye of the pa-tient is equipped with, its position being con-stantly kept on the plus side of diopter for the patient to eliminate the accommodation as much as possible.


Copyright © 1966, 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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