Friction stabilized contact lenses
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United States of America Patent
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Aug 18, 2020
Grant Date -
Jun 28, 2018
app pub date -
Feb 15, 2018
filing date -
Oct 28, 2015
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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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