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In particular, when using manual keratometry to the cornea.14-17 Various mathematical methods are used to generate anterior, (0.5-diopter increments).
A keratometer, also known as an ophthalmometer, is a diagnostic instrument for measuring the curvature of the anterior surface of the cornea, particularly for .
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Manual keratometry increments in math. If the last three readings differ by 0.5 dpt (mean value of the spherical equivalent of the last three measurements).
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The calculator gives these instructions: Enter the keratometry measurements in this format: 45/43.25@90. Keratometer. When I made the calculator I was pretty .
Feb 5, 2015 Methods: Steep and flat keratometry and astigmatism axis measurement devices such as standard manual keratometry, Placido topography, the Orbscan Mathematical model of a Placido disk keratometer and its implications results: the effect of repeatability and increments of automated keratometry.