Patent ID: 9050172
Filing Date: 2015-06-09
Classification: A61F

Abstract:
1. A device for generating control data that control a laser system for surgical correction of defective vision of an eye of a patient, wherein: the laser system comprises a laser for emitting laser radiation, optics for focusing the laser radiation to a focus and a scanner for shifting a position of the focus; the device generates the control data to be adapted to control the laser, the optics and the scanner to cut a cornea by focusing the laser radiation into the cornea of the eye and by shifting the position of the focus within the cornea; wherein the control data includes data to control the scanner to shift the position of the focus within the cornea; wherein the device the control data such that the laser, the optics and the scanner, during operation under the control data, emit and focus the laser radiation such that a volume in the cornea is isolated, the removal of which volume from the cornea effects a desired correction of the defective vision; and to determine the control data, the device is configured to calculate a radius of curvature R wherein the radius of curvature R wherein R wherein there are at least two radii, r1 and r2, for which B