Modified point diffraction interferometer to evaluate tolerances in the design of progressive addition lenses

S. Chamadoira; J. Sasian; E. Acosta

doi:10.1117/12.2022680

10 September 2013 Modified point diffraction interferometer to evaluate tolerances in the design of progressive addition lenses

S. Chamadoira, J. Sasian, E. Acosta

Author Affiliations +

Proceedings Volume 8844, Optical System Alignment, Tolerancing, and Verification VII; 88440D (2013) https://doi.org/10.1117/12.2022680
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The main goal of this work is to show the principles, design and performance of a modified point diffraction interferometer to evaluate the local higher order aberrations of progressive addition lenses in order to analyze the tolerances in the design of these ophthalmic components for a reasonable level of comfort by the different users. We also present a detailed analysis of high order aberrations in circular regions within the four most relevant regions of interest of this kind of lenses.

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S. Chamadoira, J. Sasian, and E. Acosta "Modified point diffraction interferometer to evaluate tolerances in the design of progressive addition lenses", Proc. SPIE 8844, Optical System Alignment, Tolerancing, and Verification VII, 88440D (10 September 2013); https://doi.org/10.1117/12.2022680

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KEYWORDS

Monochromatic aberrations

Lenses

Point diffraction interferometers

Tolerancing

Point spread functions

Optical properties

Astatine

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