A comparison of three methods for the measurement of progressive addition lenses
Authors:
- 1 January 1989
- journal article
- research article
- Published by Springer Nature in Ophthalmic and Physiological Optics
- Vol. 9 (1) , 81-85
Abstract
Three methods of measuring aberrational astigmatism in progressive addition spectacle lenses are described. Measurements are presented from each method made on an Essilor Varilux 2 lens, which illustrate the small differences between the methods for low power lenses.Keywords
This publication has 4 references indexed in Scilit:
- Varifocal spectacle lens surface power measurementOphthalmic and Physiological Optics, 1988
- Optical performance of progressive power lensesClinical and Experimental Optometry, 1987
- Optics of Progressive Addition LensesOptometry and Vision Science, 1987
- Peripheral Power Variations in Progressive Addition LensesOptometry and Vision Science, 1986