Patent ID: 8733931
Filing Date: 2014-05-27
Classification: G01M,G02C

Abstract:
1. A method for determining binocular performance of a pair of spectacle lenses when a visual environment is seen by the right and left eyes of a wearer through right and left spectacle lenses respectively, comprising: an eyes characteristics providing step in which eyes characteristics data representing the characteristics of the right and left eyes of the wearer are provided; a pair of spectacle lenses providing step in which spectacle data representing the pair of spectacle lenses are provided; an environment providing step in which visual environment data representing a visual environment are provided; a cyclopean eye positioning step in which the cyclopean eye of the wearer is positioned; a binocular performance criteria defining step in which at least one binocular performance criterion which expresses the binocular performance of the pair of spectacle lenses for viewing an object point in the visual environment is defined according to the cyclopean eye; and a binocular performance criteria determining step in which the at least one binocular performance criterion is determined for a plurality of object points distributed in the visual environment, wherein the position of the cyclopean eye is customized according to the wearer, and wherein the binocular performance criteria determining step comprises: