Model eye and aberrometer calibration method

Details Model eye and aberrometer calibration method Model eye and aberrometer calibration method

A - Human Necessities

61

B

A61B 3/103 (2006.01) A61B 3/10 (2006.01)

Patent

CA 2469453

A calibration component for use in calibrating and certifying the accuracy of an ophthalmic wavefront sensor comprises a monolithic, plano-convex refractive optic having known amounts of one or more selected aberrations induced by the spherical, axisymmetric aspherical, or non-axisymmetric aspherical convex surface. An alignment tool is described, along with a procedure for calibrating an aberrometer.

L'invention concerne un composant d'étalonnage destiné à être utilisé pour l'étalonnage et la certification de la précision d'un capteur de front d'onde ophtalmique, comprenant une lentille de réfraction plano-convexe, monolithique, possédant un nombre connu d'aberrations sélectionnées, induites par la surface convexe sphérique, asphérique axisymétrique ou asphérique non-axisymétrique de la lentille. L'invention concerne également un outil d'alignement, ainsi qu'un procédé destiné à l'étalonnage d'un aberromètre.

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