Computer-implemented method for planning a progressive power spectacle lens with a front surface and a back surface, a spatially varying refractive index, wherein the front surface and/or the back surface is/are embodied as a progressive surface embodied as a free-form surface, wherein - optical properties of the progressive power spectacle lens are calculated by means of a ray tracing method at a plurality of evaluation points, at which visual rays pass through the progressive power spectacle lens, wherein - at least one intended optical property for the progressive power spectacle lens is set at the respective evaluation point, characterized in that - a plan for the progressive power spectacle lens is set, wherein the plan comprises a representation of a local surface geometry of the free-form surface and a local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein - the plan of the progressive power spectacle lens is modified in view of an approximation of the at least one intended optical property of the progressive power spectacle lens, wherein the modification comprises modifying the representation of the local surface geometry of the free-form surface and the local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein the at least one intended optical property comprises an intended residual astigmatism of the progressive power spectacle lens. the front surface and/or the back surface is/are embodied as a progressive surface embodied as a free-form surface, wherein - optical properties of the progressive power spectacle lens are calculated by means of a ray tracing method at a plurality of evaluation points, at which visual rays pass through the progressive power spectacle lens, wherein - at least one intended optical property for the progressive power spectacle lens is set at the respective evaluation point, - optical properties of the progressive power spectacle lens are calculated by means of a ray tracing method at a plurality of evaluation points, at which visual rays pass through the progressive power spectacle lens, wherein - at least one intended optical property for the progressive power spectacle lens is set at the respective evaluation point, characterized in that - a plan for the progressive power spectacle lens is set, wherein the plan comprises a representation of a local surface geometry of the free-form surface and a local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein - the plan of the progressive power spectacle lens is modified in view of an approximation of the at least one intended optical property of the progressive power spectacle lens, wherein the modification comprises modifying the representation of the local surface geometry of the free-form surface and the local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein the at least one intended optical property comprises an intended residual astigmatism of the progressive power spectacle lens. - a plan for the progressive power spectacle lens is set, wherein the plan comprises a representation of a local surface geometry of the free-form surface and a local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein - the plan of the progressive power spectacle lens is modified in view of an approximation of the at least one intended optical property of the progressive power spectacle lens, wherein the modification comprises modifying the representation of the local surface geometry of the free-form surface and the local refractive index of the progressive power spectacle lens in the respective visual beam path through the evaluation points, wherein the at least one intended optical property comprises an intended residual astigmatism of the progressive power spectacle lens.