Japanese

Comparative Studies of Accuracy of Topcon's and Zeiss' Ophthalmometer Jin Otsuka 1 1Department of Ophthalmology, Tokyo Medical and Dental University pp.1157-1160
Published Date 1974/10/15
DOI https://doi.org/10.11477/mf.1410205195
  • Abstract
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Using Topcon's and Zeiss' Ophthalmometer, the author measured first the radius of the stan-dard steel ball of 11, 12, 15, 16, 18 and 20 mm in diameter and secondly the radius of the an-terior surface of the cornea of 50 subjects. The comparison of the corresponding data using two ophthalmometer was as follows.

The measured mean values of the standard steel ball radius using Topcon's ophthalmometer were more accurate than those using Zeiss' ophthalmometer, but the standard deviationswere larger in the former than in the latter.


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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