(19)

(11)

EP 4 815 891 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827131.4 (22) Date of filing: 30.10.2024

(51) International Patent Classification (IPC):  A61F 9/008(2006.01) H01S 3/10(2006.01) (52) Cooperative Patent Classification (CPC): A61F 2009/00887; A61F 2009/00891; A61F 9/0084; A61F 9/00823 (86) International application number: PCT/IB2024/060701 (87) International publication number: WO 2025/114791 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 US 202363603743 P (71) Applicant: Alcon Inc. 1701 Fribourg (CH)	(72) Inventor: JUNG, David Lake Forest, California 92630 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)