Patent · US Active

Adhesive optical film to convert an eyeglass lens to a progressive lens

US10712591B2 · kind B2 · utility

1Cited by
27References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2018
Grant dateJul 14, 2020
Priority date
Expiry dateMay 10, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C2202/16
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Apparatus and methods are described including generating a multi-focal lens and/or a progressive lens by adhering a corrective optical film to an optically-corrective single-focal lens, such as to change a focal length of the single-focal lens differently in different regions of the single-focal lens. Other applications are also described.

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