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:
Jun. 09, 2020
Filed:
Oct. 07, 2016
Essilor International, Charenton-Le-Pont, FR;
Alexandra Roos, Singapore, SG;
Julien Hubert, Charenton Le Pont, FR;
Catherine Derbois, Charenton Le Pont, FR;
Maxime Boiffier, Charenton Le Pont, FR;
Aude Carrega, Charenton Le Pont, FR;
Essilor International, Charenton-le-Pont, FR;
Abstract
The invention relates to a method for determining an usage index value for an single-vision ophthalmic lens adapted to correct the vision of a myopic wearer. According to the invention the method comprises: an optical profile providing step Sduring which an optical profile of said ophthalmic lens is determined; a material profile providing step Sduring which a material profile of said ophthalmic lens is determined; a physical parameter determining step Sduring which at least one physical parameter among physical parameters of said optical profile and material profile is determined; a gain assessing step Sduring which at least two gains brought by at least one determined physical parameter is evaluated on at least one evaluation criterion of dissatisfaction of said wearer when wearing said ophthalmic lens; an usage index value determining step Sduring which a value of an usage index is determined by adding the assessed gain for the evaluation criteria.