Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cornelis Petrus Hendriks
Thom Warmerdam
Steven Franklin
Jason Tokarski
Gregory Hofmann
Date of Patent
October 10, 2023
Patent Application Number
16922275
Date Filed
July 7, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
A contact lens incorporating one or more surface modified zones on the anterior surface of the lens may be utilized to generate a friction driven rotational force when the upper and/or lower eyelids pass over the one or more regions during blinking. A small difference in the coefficient of friction between the modified and unmodified regions of the lens may result in an equivalent rotational force to that of a thickness gradient lens. This small difference in the coefficient of friction produces a means to orient and stabilize the contact lens on eye.
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