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Determination of base curve for soft contact lens fitting by a new device Junzo Goto , Yutaka Mizutani 1 1Nippon Contact Lens Research Institute, Nagoya-Mitsui Bldg. pp.555-559
Published Date 1983/4/15
DOI https://doi.org/10.11477/mf.1410208892
  • Abstract
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We developed a new simple and easy method to facilitate soft contact lens fitting by accurate deter-mination of the corneal base curve. The system con-sists of an attachment onto the objective lens of the slitlamp microscope. This attachment is made of a clear acrylic cylinder of 40mm in diameter which is marked with a series of black target rings at regular intervals. The ring is to be reflected equi-intervally on the cornea.

The reflected image is photographed on an in-stant film. The size of the reflected image is then measured at 0.8 to 1.6mm inner to the corneal limbus.


Copyright © 1983, 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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