The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 14, 2006
Filed:
Jun. 23, 2004
Colin Perrott, Port Ludlow, WA (US);
Kym Ansley Stockman, Happy Valley, AU;
Anthony Dennis Miller, Bellevue Heights, AU;
Colin Perrott, Port Ludlow, WA (US);
Kym Ansley Stockman, Happy Valley, AU;
Anthony Dennis Miller, Bellevue Heights, AU;
Sola International Holdings Ltd., Lonsdale, AU;
Abstract
The disclosure relates to shaped ophthalmic lenses and methods for providing such lenses, including non-powered lenses having non-quadratic surfaces of complementary curvature. Such lenses may have a curvature maximum away from an axis of symmetry and a substantially constant wall thickness. Equations describing and methods of designing such lenses are disclosed including embodiments where two spheres of substantially different curvature are merged in accordance with a weighting function, and adjusted using merit functions.