Computer-implemented method for designing a family of spectacle lenses in which - a number of prescription-based spherical powers and a number of prescription-based astigmatic powers are specified, and - for each combination of a specific spherical power from the number of prescription-based spherical powers with a specific astigmatic power from the number of prescription-based astigmatic powers, in each case a spectacle lens with a rotationally symmetrical front spectacle lens surface and an atoric rear spectacle lens surface is determined, characterized in that - groups of rotationally symmetrical front spectacle lens surfaces are formed in such a way that each group of rotationally symmetrical front spectacle lens surfaces contains a number of different rotationally symmetrical front spectacle lens surfaces, - groups of atoric rear spectacle lens surfaces are formed in such a way that each group of atoric rear spectacle lens surfaces contains a number of atoric rear spectacle lens surfaces, - each group of atoric rear spectacle lens surfaces is assigned to a group of rotationally symmetrical front spectacle lens surfaces, and - each combination of an atoric rear spectacle lens surface from a group of atoric rear spectacle lens surfaces with a rotationally symmetrical front spectacle lens surface from the assigned groups of rotationally symmetrical front spectacle lens surfaces is assigned to a spectacle lens of the family of spectacle lenses, wherein for each of the atoric rear spectacle lens surfaces, the deviation of the curvature of the respective atoric rear spectacle lens surface from the circular shape in at least one principal section is determined for a value for the distance a between the vertex of the rear spectacle lens surface and the centre of rotation of the eye that lies in a range between 15 mm and 40 mm in such a way that, at every point of a region of the spectacle lens situated within a radius of 25 mm around the geometrical centre of the spectacle lens an upper limit of the total deviation RMS = Sqrt(SphAbw 2 + (astAbw/2) 2) of the effect is not exceeded, where the upper limit of the total deviation is given by 0.25 D − MIN 0.05 * Sph − 0.1 * Zyl 0 and where Sph denotes the "sphere" value of the prescription-based spherical power, Zyl denotes the "cylinder" value of the prescription-based astigmatic power, which can assume the value zero or a negative value, |Zyl| denotes the absolute value of the "cylinder" value, sphAbw denotes the deviation of the prescription-based spherical power of the spectacle lens from the spherical power actually achieved with it, astAbw denotes the deviation of the prescription-based astigmatic power of the spectacle lens from the astigmatic power actually achieved with it and MIN denotes the minimum function. - a number of prescription-based spherical powers and a number of prescription-based astigmatic powers are specified, and - for each combination of a specific spherical power from the number of prescription-based spherical powers with a specific astigmatic power from the number of prescription-based astigmatic powers, in each case a spectacle lens with a rotationally symmetrical front spectacle lens surface and an atoric rear spectacle lens surface is determined, characterized in that - groups of rotationally symmetrical front spectacle lens surfaces are formed in such a way that each group of rotationally symmetrical front spectacle lens surfaces contains a number of different rotationally symmetrical front spectacle lens surfaces, - groups of atoric rear spectacle lens surfaces are formed in such a way that each group of atoric rear spectacle lens surfaces contains a number of atoric rear spectacle lens surfaces, - each group of atoric rear spectacle lens surfaces is assigned to a group of rotationally symmetrical front spectacle lens surfaces, and - each combination of an atoric rear spectacle lens surface from a group of atoric rear spectacle lens surfaces with a rotationally symmetrical front spectacle lens surface from the assigned groups of rotationally symmetrical front spectacle lens surfaces is assigned to a spectacle lens of the family of spectacle lenses, wherein Sph denotes the "sphere" value of the prescription-based spherical power, Zyl denotes the "cylinder" value of the prescription-based astigmatic power, which can assume the value zero or a negative value, |Zyl| denotes the absolute value of the "cylinder" value, sphAbw denotes the deviation of the prescription-based spherical power of the spectacle lens from the spherical power actually achieved with it, astAbw denotes the deviation of the prescription-based astigmatic power of the spectacle lens from the astigmatic power actually achieved with it and MIN denotes the minimum function.