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Quantitative evaluation of progression of senile cataract Tsuneo Yuge 1 , Hitoshi Taketa 2 , Masatugu Imamichi 3 , Seturo Maruyama 3 1Yuge Eye Clin 2Isot Lab, Kyoto Prefect Univ of Med 3Sun Contact Lens Co Ltd pp.79-82
Published Date 1987/1/15
DOI https://doi.org/10.11477/mf.1410209929
  • Abstract
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In order to objectively evaluate the status of senile cataract, we photographed the crystalline lens by retroillumination and slitlamp image, the former with a Neitz cataract camera and the latter with a Zeiss photoslitlamp. The intensity of lens opacity was expres-sed as the amount of light reaching the photographed film. The severity of cortical cataract was expressed as percentage of the area occupied by opaque regions greater than 40 % of the background illumination in the retroilluminated photograph. In nuclear cataract, the severity was expressed as the amount of scattered light from the nucleus with respect to the corneal section in the slitlamp photograph.

We applied this method to eyes with senile cataract. When the same eyes were examined after an interval of 1 to 2 years by the method, a significant progression was noted in eyes with cortical cataract. Eyes with senile nuclear cataract remained virtually stationary in severity.

Because of its objective and quantitative nature, our method promises to be of value as a research tool in elucidating the natural history, etiological and thera-peutic aspects of senile cataract.

Rinsho Ganka (Jpn J Clin Ophthalmol) 41(1) : 79-82, 1987


Copyright © 1987, 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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