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Japanese

A New Type of Ocular Fundus Camera Yoshimi Sugimachi 1 , Akira Nakajima 1 , Hiroshi Hasegawa 2 , Masao Nohda 2 , Chiyoji Takahashi 2 1Department of Ophthalmology, Juntendo University School of Medicine 2Nippon Kohgaku Co. pp.1167-1169
Published Date 1974/10/15
DOI https://doi.org/10.11477/mf.1410205198
  • Abstract
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An attempt was made to remove the hazar-dous reflection from corneal surface which occur in ordinary fundus camera. The system is cou-pled with an optical fiber bundle which serves as effective illumination device for the fundus. The output terminal of the optical fiber bundle is aligned annularly about a contact lens so that the light penetrates the subject eye through the ring-like outer part of the pupil. In front of the eye, nonspherical diffraction free projection lens was fixed in place in order to focus the fundus in the instrument's image plane.


Copyright © 1974, 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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