Patent ID: 8303113

Claim:
A method for producing a progressive spectacle lens for correction of a visual defect of a spectacle wearer, comprising: specifying or determining the vertical and/or the horizontal spatial position of a distance reference point depending on individual data of the spectacle wearer, wherein the individual data of the spectacle wearer comprises data in at least two different categories corresponding to different types of the individual data, and wherein the determination of the position of the distance reference point comprises: determining an ideal position of the distance reference point for each of the categories on the basis of individual data of the spectacle wearer in the respective category, calculating the position of the distance reference point on the basis of the determined ideal position of the distance reference point in the respective categories, wherein the position of the distance and/or a near reference point is calculated according to the formula: y DF , DN = ∑ i = 1 N ⁢ g i ⁢ y DF , DN i ∑ i = 1 N ⁢ g i = 1 wherein: g i designates the weighting of the i th category y i DF,DN i designates the ideal position of the distance reference point DF and the near reference point DN, respectively, for the i th category, N designates the number of different categories; and optimizing or calculating the spectacle lens such that the required dioptric power of the spectacle lens in the individually specified distance reference point(s) is achieved.