Invention Grant
- Patent Title: Optical lens for correcting color vision
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Application No.: US16647810Application Date: 2018-09-19
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Publication No.: US11327342B2Publication Date: 2022-05-10
- Inventor: Marie Dubail , Montserrat Burgos , Charlène Pousse , Michèle Thomas , Xiaohong Zhang
- Applicant: Essilor International
- Applicant Address: FR Charenton-le-Pont
- Assignee: Essilor International
- Current Assignee: Essilor International
- Current Assignee Address: FR Charenton-le-Pont
- Agency: Norton Rose Fulbright US LLP
- Priority: EP17306218 20170919
- International Application: PCT/EP2018/075318 WO 20180919
- International Announcement: WO2019/057752 WO 20190328
- Main IPC: G02C7/10
- IPC: G02C7/10 ; G02C7/02
Abstract:
The present invention relates to optical lens for correcting color vision for individuals with color vision deficiency comprising a substrate and an absorbing dye which has at least a minimum light transmission factor at a wavelength ranging from 515 nm to 80 nm that is lower than or equal to 40% and quickly varying transmission around 500 nm and around 595 nm.
Public/Granted literature
- US20200218089A1 Optical Lens for Correcting Color Vision Public/Granted day:2020-07-09
Information query
