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Changes in Back Radius of Soft Contact Lenses When Flexed

 

作者: BARRY WEISSMAN,   FRANK ZISMAN,  

 

期刊: American Journal of Optometry and Physiological Optics  （OVID Available online 1979）
卷期: Volume 56, issue 10  

页码: 613-617

 

ISSN:0093-7002

 

年代: 1979

 

出版商: OVID

 

关键词: radius changes in contact lenses;flexure;sag change hypothesis;invariant normals hypothesis;percentage change hypothesis

 

数据来源: OVID

 

摘要:

Mathematical statements are made for the various hypotheses describing the change in radius of curvature of the back surface of a flexible contact lens as it flexes. These hypotheses may now be tested for validity in predicting both optical and physiological behavior of real contact lenses in situ.

 

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