Testing of progressive spectacle lenses by coded optical correlation

Liren Lin

doi:10.1117/12.215601

2 August 1995 Testing of progressive spectacle lenses by coded optical correlation

Liren Lin

Proceedings Volume 2576, International Conference on Optical Fabrication and Testing; (1995) https://doi.org/10.1117/12.215601
Event: International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, 1995, Tokyo, Japan

Abstract

An incoherent optical correlator is developed to contour-map progressive power lenses, and the beam deviations across the aperture of a tested lens can be read by the disfocal shifting of one mask. A modelling of a local area of progressive lens to an extended sphere-cylindric lens is suggested to calculate the optical properties from the measured deviations in the local area. Thus the optical properties across the whole aperture can be achieved.

Citation Download Citation

Liren Lin "Testing of progressive spectacle lenses by coded optical correlation", Proc. SPIE 2576, International Conference on Optical Fabrication and Testing, (2 August 1995); https://doi.org/10.1117/12.215601

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