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:
Feb. 05, 2013
Filed:
Apr. 29, 2011
Timo Kratzer, Aalen, DE;
Herbert Krug, Aalen, DE;
Timo Kratzer, Aalen, DE;
Herbert Krug, Aalen, DE;
Carl Zeiss Vision International GmbH, Aalen, DE;
Abstract
The invention relates to a method of making a spectacle lens. The method of the invention includes the method steps of providing a prescription for the spectacle lens (), providing a material for manufacturing the spectacle lens (), providing at least two design wavelengths (), providing the particular refractive indices of the material for the at least two design wavelengths (), computing each an optical predesign for the spectacle lens having the respective determined refractive index of the material for the at least two design wavelengths in consideration of the prescription (), and computing the optical design of the spectacle lens from the optical predesign for the spectacle lens for the refractive index () determined from the at least two design wavelengths.