Invention Grant
- Patent Title: Ophthalmic lens for presbyopia correction
-
Application No.: US15129036Application Date: 2015-03-19
-
Publication No.: US10175505B2Publication Date: 2019-01-08
- Inventor: Adam Muschielok , Wolfgang Becken , Helmut Altheimer , Gregor Esser , Edda Wehner
- Applicant: Rodenstock GmbH
- Applicant Address: DE Munich
- Assignee: Rodenstock GmbH
- Current Assignee: Rodenstock GmbH
- Current Assignee Address: DE Munich
- Agency: Schiff Hardin LLP
- Priority: DE102014004381 20140326
- International Application: PCT/EP2015/000604 WO 20150319
- International Announcement: WO2015/144299 WO 20151001
- Main IPC: G02C7/04
- IPC: G02C7/04 ; G02C7/06 ; G02C7/02

Abstract:
An ophthalmic lens for presbyopia correction, having at least one diffractive structure, wherein the diffractive structure has at least one region of variable diffraction efficiency in which the diffraction efficiency of at least one diffraction order of the diffractive structure that contributes to the focal power of the lens varies depending on the visual point on the ophthalmic lens.
Public/Granted literature
- US20170108711A1 IMPROVED OPHTHALMIC LENS FOR PRESBYOPIA CORRECTION Public/Granted day:2017-04-20
Information query