US 12,481,173 B2
Multifocal contact lens displaying improved vision attributes
Shivkumar Mahadevan, Jacksonville, FL (US); Dawn D. Wright, St. Augustine, FL (US); Ronald J. Clark, Jacksonville, FL (US); Thomas R. Karkkainen, Orange Park, FL (US); and Derek Nankivil, Jacksonville, FL (US)
Assigned to Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US)
Filed by Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US)
Filed on Nov. 30, 2022, as Appl. No. 18/060,139.
Application 18/060,139 is a continuation of application No. 16/938,145, filed on Jul. 24, 2020, granted, now 11,543,683.
Claims priority of provisional application 62/894,015, filed on Aug. 30, 2019.
Prior Publication US 2023/0288728 A1, Sep. 14, 2023
Int. Cl. G02C 7/04 (2006.01); G02C 7/10 (2006.01)
CPC G02C 7/047 (2013.01) [G02C 7/049 (2013.01); G02C 7/10 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A contact lens that is a free radical reaction product of a reactive mixture comprising:
one or more polymerizable compounds suitable for making the contact lens;
a high energy visible (HEV) light absorbing compound; and
a UV absorbing compound comprising a benzophenone, a benzotriazole, a triazine, a substituted acrylonitrile, a salicyclic acid derivative, a benzoic acid derivative, a cinnamic acid derivative, a chalcone derivative, a dypnone derivative, a crotonic acid derivative, or mixtures thereof,
wherein the contact lens is a multifocal contact lens, wherein the contact lens transmits from 0 percent to 70 percent of light across a wavelength range of 400 to 409 nm, and transmits 45 percent or less of light across a wavelength range of 280 to 399 nm.