1987•Optometry and Vision ScienceRequires access

A New Keratometer

William A. Douthwaite

Abstract

A keratometer design is described which uses Drysdale's method for determining the radius of a curved surface with the use of a spherocylindrical lens system to allow simultaneous observation of the surface and center of curvature images. This not only results in a simple compact keratometer but also provides an instrument that can be used to measure the radius of curvature of the peripheral cornea.

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Available abstract

Key concepts: Keratometer, Radius of curvature, Curvature, RADIUS, Measure (data warehouse), Lens (geology), Cornea, Optometry