Patent ID: 8465543
Filing Date: 2013-06-18
Classification: A61F,G02C

Abstract:
1. An intraocular lens for the correction of an astigmatic ametropia comprising a torically refractive lens surface, wherein a total section curve in a principal meridian of the torically refractive lens surface in a plane parallel to a lens axis is described by an asphere according to an equation: or wherein x is a first coordinate axis being in the direction of the lens axis, y is a second coordinate axis being in the direction of a first principal meridian, R is a radius or parameter at an apex of the lens, asp is an asphericity in the meridian, cj are polynomial coefficients, wherein R is a value of a radius R wherein asp is a value of a first asphericity asp wherein a meridian forming an angle α with the first principle meridian comprises an asphericity aspα which depends on the angle α.