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Stereo-Fundusphotography by Means of a Plano Lens Masakichi Mikuni 1 , Hiroshi Yaoeda 1 , Shigeru Fujii 1 1Department of Ophthalmology, Niigata University, School of Medicine pp.411-418
Published Date 1969/3/15
DOI https://doi.org/10.11477/mf.1410204048
  • Abstract
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An adapter for mounting a plano lens in front of the Olympus fundus camera was described. With this lens properly positioned, stereo-fun-dusphotographs were taken by simply rotating the lens the proper number of degrees.

The relation between the angle of the rotationand the amount of parallel movement of the axis of the ray is shown by the following equ-ation.

X=d・sinα(1-cosα/√n2-sinα)

X : the amount of parallel movement of the axis of the ray

a: the angle of the rotation

n: the index of refraction of the plano lens

d: the thickness of the lens


Copyright © 1969, 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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