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Assessment of Radial Aspheres by the Arc-Step Algorithm as Implemented by the Keratron Keratoscope (Articolo in inglese)

To assess the accuracy with which the Keratron (Optikon 2000, Rome, Italy) measured rotationally symmetric, radially aspheric test surfaces according to an arc-step profile reconstruction algorithm and to discriminate between error caused by the algorithm and error from other sources.