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:
May. 13, 2025
Filed:
Feb. 22, 2019
Essilor International, Charenton-le-pont, FR;
Adèle Longo, Charenton-le-pont, FR;
Marc Vincent, Charenton-le-pont, FR;
Helene Starynkevitch, Charenton-le-pont, FR;
Essilor International, Charenton-le-pont, FR;
Abstract
Disclosed is a method for altering the visual performance of a subject using an optical system arranged in front of at least one eye of the subject, and including: b) determining an optotype; c) displaying the optotype to the subject in such a way that it is visible by the subject through the optical system; d) assessing the visual performance of the subject viewing the optotype through the optical system; and e) adding a positive or negative altering value of spherical optical power to the optical system. The method includes, before step b): a) choosing a target value of visual performance; and in that, at step b), the optotype has a size which is determined depending on the target value of visual performance; at step e), the altering value of spherical optical power is determined depending on the target value of visual performance.