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:
Apr. 01, 2014
Filed:
Dec. 21, 2006
Timothy Green, Rochester, NY (US);
Timothy Green, Rochester, NY (US);
Bausch & Lomb Incorporated, Rochester, NY (US);
Abstract
A set of toric contact lenses, where each lens in the set includes a posterior surface and an anterior surface. For each lens in the set, at least one of the posterior and anterior surfaces includes a toric optical zone. Each lens in the set has a common effective base curve and a common overall diameter, but a different cylindrical correction. Lenses in the set have a peripheral zone and a blend zone disposed between the peripheral zone and the toric optical zone. In lenses of such a set, the width of said blend zone at a common location on at least two of the lenses are selected to be different so that the thicknesses at a common position on the lenses are substantially the same for all lenses in the set.