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Japanese

Experiments on the Lenses Having Zeroverging Power for the Finite Distance. Part 2. Meridional Type Iseikonic Lenses Keiichiro Kato 1 , Akio Hosaka 1 , Mutsuo Kajiura 1 , Hirokazu Okajima 2 , Kazuo Matsui 2 1Department of Ophthalmology, Fukushima Medical College 2Nippon Kogaku Co. pp.1169-1172
Published Date 1975/10/15
DOI https://doi.org/10.11477/mf.1410205367
  • Abstract
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The authors have designed a new type of Meridional iseikonic lenses based on the prin-ciple of Zero-verging power. The series of the lenses cover 1 to 7% by 1% step. The results of basic experiment were as follows :

1) In Space-eikonometer and Howard-Dolman test, we could find high correlation between expected and measured aniseikonia due to the magnification of the retinal image of right eye in horizontal meridian. "Induced" effect due to vertical magnification was clearly observ-ed in Space-eikonometer, but was not observ-ed in Howard-Dolman test.


Copyright © 1975, 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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