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Mechanisms of Accommodation (Mekanismo de l'Akomodo) Seiichi Kato 1 1Ophthalmological Clinic, Shinshu University pp.107-109
Published Date 1967/2/15
DOI https://doi.org/10.11477/mf.1410203580
  • Abstract
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Grounds are given for questioning the theory that accommodation is brought about by ela-stic thickening of the crystalline lens following ciliary contraction and relaxation of zonule of Zinn. It is probable that some kind of ana-logous procedure is present in the mechanism of accommodation between mammalian andavian eyes. Direct observations of human ciliary muscle during accommodative efforts as well as the crystalline lens in various pa-thological states indicate that a positive pre-ssure upon the lens is necessary to cause its deformation or thickening during accommoda-tion.


Copyright © 1967, 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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