Progressive spectacle lens (30; 40; 50; 60; 70; 80; 90) for presbyopia correction, comprising at least one diffractive structure, wherein the diffractive structure having at least one region (12; 55; 64; 74; 84) of variable diffraction efficiency, in which the diffraction efficiency of at least one diffraction order of the diffractive structure contributing to the refractive power of the spectacle lens varies as a function of the point of view on the spectacle lens, wherein the at least one diffractive order contributing to the refractive power of the spectacle lens at least partially compensates for the undesired astigmatism of the refractive portion of the spectacle lens, wherein the diffraction efficiency of the at least one diffractive order of the diffractive structure varies continuously along a line connecting a first reference point of the lens to a second reference point of the spectacle lens, wherein the first reference point is a distance reference point at which the refractive power of the lens is a value suitable for distance or intermediate distance vision, and the second reference point is a near reference point at which the refractive power of the lens is a value suitable for near vision; wherein in the region of variable diffraction efficiency (12; 55; 64; 74; 84) the diffraction efficiency of at least one additional diffraction order varies spatially as a function of the viewing point on the spectacle lens; wherein the diffraction efficiency of a first diffractive order steadily decreases along the line connecting the reference points; and the diffraction efficiency of the at least one additional diffractive order increases along the line connecting the reference points; wherein the at least one diffractive structure is adjacent to at least one refractive portion, and wherein the diffractive structure and the refractive portion are configured such that at at least a portion of the boundary (76; 89) between the refractive portion and the diffractive structure, the overall prism of the spectacle lens has no discontinuity. having at least one region (12; 55; 64; 74; 84) of variable diffraction efficiency, in which the diffraction efficiency of at least one diffraction order of the diffractive structure contributing to the refractive power of the spectacle lens varies as a function of the point of view on the spectacle lens, wherein the at least one diffractive order contributing to the refractive power of the spectacle lens at least partially compensates for the undesired astigmatism of the refractive portion of the spectacle lens, wherein the diffraction efficiency of the at least one diffractive order of the diffractive structure varies continuously along a line connecting a first reference point of the lens to a second reference point of the spectacle lens, wherein the first reference point is a distance reference point at which the refractive power of the lens is a value suitable for distance or intermediate distance vision, and the second reference point is a near reference point at which the refractive power of the lens is a value suitable for near vision; wherein in the region of variable diffraction efficiency (12; 55; 64; 74; 84) the diffraction efficiency of at least one additional diffraction order varies spatially as a function of the viewing point on the spectacle lens; wherein the diffraction efficiency of a first diffractive order steadily decreases along the line connecting the reference points; and the diffraction efficiency of the at least one additional diffractive order increases along the line connecting the reference points; wherein the at least one diffractive structure is adjacent to at least one refractive portion, and wherein the diffractive structure and the refractive portion are configured such that at at least a portion of the boundary (76; 89) between the refractive portion and the diffractive structure, the overall prism of the spectacle lens has no discontinuity. <EOS>