Patent ID: 7296893
Filing Date: 2007-11-20
Classification: A61F

Abstract:
1. A method of determining a refractive treatment shape for ameliorating a vision condition in a patient, the method comprising: a) measuring a wavefront aberration of an eye of the patient, the wavefront aberration corresponding to a measurement surface that is disposed at or near a pupil plane of the eye, in order to provide a measurement surface aberration comprising a measurement surface wavefront map; b) deriving a treatment surface aberration of the eye, the treatment surface aberration corresponding to a treatment surface of the eye and comprising a treatment surface wavefront map derived at least in part by local slope scaling of the measurement surface wavefront map, the treatment surface aberration derived from the measurement surface aberration using a difference between the measurement surface and the treatment surface; and c) determining the refractive treatment shape based on the treatment surface aberration of the eye.