Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jerome Legerton0
Date of Patent
February 22, 2011
0Patent Application Number
124291130
Date Filed
April 23, 2009
0Patent Primary Examiner
Patent abstract
The present invention provides a multifocal contact lens comprising a central contact lens area having a size, a position, and an optical power; an outer contact lens area having a size, a position, and an optical power; wherein the size, the position, and the optical power of the central contact lens area and the outer contact lens area are determined according to a measurement of the size of the pupil under a first light condition, a measurement of the reactivity of the pupil under a varying light condition or a varying focal demand, and a measurement of movement of the pupil under a varying light condition or a varying focal demand.
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