(19)

(11)

EP 4 823 431 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24817288.4 (22) Date of filing: 29.11.2024

(51) International Patent Classification (IPC):  A61B 5/11(2006.01) A61B 5/00(2006.01) (52) Cooperative Patent Classification (CPC): A61B 2562/0214; A61B 2562/0219; A61B 2562/0223; A61B 2562/0233; A61B 5/1126; A61B 5/1107; A61B 5/1111; A61B 5/1114; A61B 5/6803; A61B 5/6815; A61B 5/6819; A61B 5/7267; A61B 5/486; A61B 5/4866; A61B 5/4542 (86) International application number: PCT/EP2024/084038 (87) International publication number: WO 2025/124918 (19.06.2025 Gazette 2025/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 13.12.2023 EP 23307201 (71) Applicant: ESSILOR INTERNATIONAL 94220 Charenton-Le-Pont (FR)	(72) Inventors: GIL, Paul 94220 CHARENTON-LE-PONT (FR) AMIR, Bruno 94220 CHARENTON-LE-PONT (FR) SAHLER, Jean 94220 CHARENTON-LE-PONT (FR) (74) Representative: Ipsilon  12 Avenue d'Italie 75013 Paris 75013 Paris (FR)