Assessment of toroidal surfaces by the measurement of curvature in three fixed meridians
- 1 January 1989
- journal article
- editorial
- Published by Wiley in Ophthalmic and Physiological Optics
- Vol. 9 (1) , 79-80
- https://doi.org/10.1111/j.1475-1313.1989.tb00812.x
Abstract
A method is described where the surface curvatures and axis orientation of a toroidal surface can be determined by measuring the lens in three fixed orientations. This method also has possible applications in the measurement of progressive addition lenses.Keywords
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