ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,167, issued on Aug. 25, was assigned to Carl Zeiss Meditec AG (Jena, Germany).
"Ophthalmic lens and method for designing an ophthalmic lens" was invented by Mario Gerlach (Glienicke-Nordbahn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic lens includes a lens body with a predetermined refractive effect and a ring-shaped, diffractive structuring. The ring-shaped, diffractive structuring (4-4) has a waveform in the radial direction which differs from a sinusoidal waveform by an asymmetry and/or a flattening and/or a periodicity, wherein the asymmetry and/or flattening and/or periodicity is constant or changes strictly monotonical...