USOO7984988B2 (12) United States Patent Berke(10) Patent No.: US 7,984,988 B2 (45) Date of Patent: *Jul. 26, 2011 (54) ORTHOKERATOLOGICAL CONTACT LENSES AND DESIGN METHODS THEREFOR(75) Inventor: William M. Berke, Cowan Heights, CA (US) (73) Assignee: Natural Focus, LLC,CA (US) (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154 (b) by 71 days. This patent is subject to a terminal disclaimer.(21) Appl. No.: 12/714,158(22) Filed: Feb. 26, 2010 (65) Prior Publication Data US 2010/O157250 A1 Jun. 24, 2010(63) Continuation of application No.12/029.426, filed on Feb. 11, 2008, now Pat. No. 7.682,020, which is a continuation-in-part of application No. 1 1/282,294, filed on Nov. 17, 2005, now Pat. No. 7.530,689. (60) Provisional application No. 60/629,221, filed on Nov. 17, 2004. (51) Int. Cl. GO2C 7/04 (2006.01)(52) U.S. Cl. ..................... 351/160 R; 351/161; 351/247(58) Field of Classification Search .............. 351/160 R, 351/161, 162, 160 H, 212, 247See application file for complete search history.(56) References CitedU.S. PATENT DOCUMENTS