Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gregor Esser0
Wolfgang Becken0
Adam Muschielok0
Edda Wehner0
Helmut Altheimer0
Date of Patent
January 8, 2019
0Patent Application Number
151290360
Date Filed
March 19, 2015
0Patent Citations Received
Patent Primary Examiner
Patent 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.
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