ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,394, issued on Aug. 12.
"Negative poisson's ratio materials for intraocular lenses" was invented by Joon Bu Park (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intraocular lens includes a substantially circular lens element formed of a transparent material and one or more haptics extending outwardly from an outer edge of the lens element. The one or more haptics are formed of a polymer foam material having a negative Poisson's ratio (NPR) and are configured to couple the intraocular lens to an eye of a patient. The lens includes an inner region having a first index of refraction and an outer region disposed circumferentially surroundin...