A method of manufacturing an ophthalmic lens comprising at least: - an ophthalmic lens determining step during which at least one non-dioptric parameter of an optical system, being an ophthalmic lens, is modified, wherein the ophthalmic lens comprises a first and a second surface, wherein the lens determining step comprises: ∘ a modifying step during which the first surface and second surface are modified so as to obtain a modified optical system such that the dioptric function of the modified optical system is substantially the same as the dioptric function of the optical system, the modifying step comprising: ∘ an optical system data providing step, during which data indicative of the optical system are provided, the data comprising at least data indicative of the first and second surface and a data indicative of the relative position of the first and second surfaces, ∘ a modifying surface providing step, during which at least one modifying surface (Smod) is provided, the modifying surface (Smod) being determined based on the non-dioptric function to be modified, ∘ a complementary modifying surface determining step, during which for each at least one modifying surface (Smod) a complementary modifying surface (Sconmod) substantially identical to the at least one modifying surface (Smod) is determined, ∘ an adding step, during which the at least one modifying surface (Smod) is added to one of the surfaces of the optical system and the complementary modifying surface (Sconmod) is added to the other of the surfaces so as to obtain the modified optical system, and - a manufacturing step during which the ophthalmic lens is manufactured. - an ophthalmic lens determining step during which at least one non-dioptric parameter of an optical system, being an ophthalmic lens, is modified, wherein the ophthalmic lens comprises a first and a second surface, wherein the lens determining step comprises: ∘ a modifying step during which the first surface and second surface are modified so as to obtain a modified optical system such that the dioptric function of the modified optical system is substantially the same as the dioptric function of the optical system, the modifying step comprising: ∘ an optical system data providing step, during which data indicative of the optical system are provided, the data comprising at least data indicative of the first and second surface and a data indicative of the relative position of the first and second surfaces, ∘ a modifying surface providing step, during which at least one modifying surface (Smod) is provided, the modifying surface (Smod) being determined based on the non-dioptric function to be modified, ∘ a complementary modifying surface determining step, during which for each at least one modifying surface (Smod) a complementary modifying surface (Sconmod) substantially identical to the at least one modifying surface (Smod) is determined, ∘ an adding step, during which the at least one modifying surface (Smod) is added to one of the surfaces of the optical system and the complementary modifying surface (Sconmod) is added to the other of the surfaces so as to obtain the modified optical system, and ∘ a modifying step during which the first surface and second surface are modified so as to obtain a modified optical system such that the dioptric function of the modified optical system is substantially the same as the dioptric function of the optical system, the modifying step comprising: ∘ an optical system data providing step, during which data indicative of the optical system are provided, the data comprising at least data indicative of the first and second surface and a data indicative of the relative position of the first and second surfaces, ∘ a modifying surface providing step, during which at least one modifying surface (Smod) is provided, the modifying surface (Smod) being determined based on the non-dioptric function to be modified, ∘ a complementary modifying surface determining step, during which for each at least one modifying surface (Smod) a complementary modifying surface (Sconmod) substantially identical to the at least one modifying surface (Smod) is determined, ∘ an adding step, during which the at least one modifying surface (Smod) is added to one of the surfaces of the optical system and the complementary modifying surface (Sconmod) is added to the other of the surfaces so as to obtain the modified optical system, and ∘ an optical system data providing step, during which data indicative of the optical system are provided, the data comprising at least data indicative of the first and second surface and a data indicative of the relative position of the first and second surfaces, ∘ a modifying surface providing step, during which at least one modifying surface (Smod) is provided, the modifying surface (Smod) being determined based on the non-dioptric function to be modified, ∘ a complementary modifying surface determining step, during which for each at least one modifying surface (Smod) a complementary modifying surface (Sconmod) substantially identical to the at least one modifying surface (Smod) is determined, ∘ an adding step, during which the at least one modifying surface (Smod) is added to one of the surfaces of the optical system and the complementary modifying surface (Sconmod) is added to the other of the surfaces so as to obtain the modified optical system, and - a manufacturing step during which the ophthalmic lens is manufactured.