Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrew Ian Russell0
Joshua Naaman Haddock0
Date of Patent
December 26, 2023
0Patent Application Number
180072440
Date Filed
August 6, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
Systems include three optical elements arranged along an optical axis each having a different cylinder axis and a variable cylinder refractive power. Collectively, the three elements form a compound optical element having an overall spherical refractive power (SPH), cylinder refractive power (CYL), and cylinder axis (Axis) that can be varied according to a prescription (Rx).
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