ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,855, issued on Sept. 22, was assigned to AMO Groningen B.V. (Groningen, Netherlands).
"Intraocular lenses for presbyopia treatment" was invented by Robert Rosen (Groningen, Netherlands) and Hendrik A. Weeber (Groningen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, systems and methods for providing improved ophthalmic lenses, particularly intraocular lenses (IOLs), include features for reducing dysphotopsia effects, such as haloes and glare. Exemplary ophthalmic lenses may include a central zone with a first set of two echelettes arranged around the optical axis, the first set having a profile in r-squared space. A middle ...