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ANSI Z80.23-2008 (R2013)

     

Ophthalmics Corneal Topography Systems Standard Terminology Requirements

This American National Standard applies to instruments systems and methods that are intended to measure the shape of the cornea of the human eye over a majority of its central anterior surface The measurements may be of the curvature of the surface in local areas three dimensional topographical measurements of the surface or other more global parameters used to characterize the surface Instruments classified as ophthalmometers or keratometers are not covered by this standard

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