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Title: The application of surface fairing technique in progressive lens processing
Authors: Du, J
To, S 
Cheung, C 
Lee, W 
Miao, X
Keywords: Least square method
Progressive lens
Surface fairing
Issue Date: 2008
Publisher: Scientific.Net
Source: Key engineering materials, 2008, v. 364-366 II, p. 1246-1250 How to cite?
Journal: Key engineering materials 
Abstract: Based on the analysis of characteristics of progressive lens, it can be found that lens uneven change of curvature is an important reason of defect on progressive lens processed by single-point diamond cutting technique. By applying least square fairing method to fair the surface which is fitted and interpolated by Double Cubic B-Spline method, the curvature change of progressive surface becomes even. The processing experiment shows that the method in this paper can eliminate the defect effectively in the ultra-precision processing of progressive lenses.
ISSN: 1013-9826
EISSN: 1662-9795
Appears in Collections:Conference Paper

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