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:
Aug. 25, 2026
Filed:
Jul. 29, 2022
Essilor International, Charenton-le-Pont, FR;
Rémy Allard, Champs sur Marne, FR;
Marie Dubail, Saint-Maurice, FR;
Essilor International, Charenton-le-Pont, FR;
Abstract
The invention concerns a method for determining a filter for a visual equipment intended to be placed in front of the eye of a wearer, the filter being able to improve motion sensitivity of the wearer, the method including the following steps: i. subjecting the wearer to a plurality of visible light spectra having different levels of light intensity within the range of wavelengths from 400 to 600 nm; ii. determining a value representative of a dynamic contrast sensitivity of the wearer for each of the plurality of light spectra; iii. selecting at least one light spectrum based on the values improving the dynamic contrast sensitivity; and iv. determining the filter based on the at least one selected light spectrum.