Patent · US Active

Employing diffractive structure to reduce soft contact lens variation

US11360325B2 · kind B2 · utility

0Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2019
Grant dateJun 14, 2022
Priority date
Expiry dateJul 22, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C2202/20
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An ophthalmic lens may comprise a main body comprising an optic zone and a peripheral zone disposed adjacent the optic zone, wherein the optic zone comprises a refractive structure that exhibits a first optical power and a diffractive structure disposed within the optic zone, wherein the diffractive structure exhibits a second optical power, wherein the ophthalmic lens is associated with a first target SKU optical power.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.