US 11,719,956 B2
Ophthalmic lens with graded microlenses
Michael Marshall, Ramsey, MN (US); José A. Orozco Rodriguez, Ramsey, MN (US); and Richard Blacker, Ramsey, MN (US)
Assigned to HOYA Optical Labs of America, Inc., Lewisville, TX (US)
Filed by HOYA Optical Labs of America, Inc., Lewisville, TX (US)
Filed on Aug. 30, 2021, as Appl. No. 17/461,780.
Application 17/461,780 is a continuation of application No. 16/503,272, filed on Jul. 3, 2019, granted, now 11,131,869.
Application 16/503,272 is a continuation of application No. 15/130,831, filed on Apr. 15, 2016, granted, now 10,386,654, issued on Aug. 20, 2019.
Claims priority of provisional application 62/148,102, filed on Apr. 15, 2015.
Prior Publication US 2021/0389608 A1, Dec. 16, 2021
Int. Cl. G02C 7/06 (2006.01); G02B 3/00 (2006.01); G02C 7/02 (2006.01)
CPC G02C 7/06 (2013.01) [G02B 3/0043 (2013.01); G02C 7/022 (2013.01); G02B 3/0012 (2013.01); G02C 2202/16 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A method for forming a spectacle lens comprising:
providing a mold surface that forms a front surface of a base lens;
direct machining or mechanical etching of microlenses on the mold surface;
molding the base lens against the mold surface; and,
thereby producing a base lens with an array of microlenses molded directly on the front surface of the base lens.