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(11)

EP 4 395 707 A1

(12)

(43) Date of publication: 10.07.2024 Bulletin 2024/28 (21) Application number: 22762147.1 (22) Date of filing: 16.08.2022

(51) International Patent Classification (IPC):  A61F 2/16(2006.01) G02C 7/04(2006.01) G02C 7/06(2006.01) (52) Cooperative Patent Classification (CPC): G02C 7/042; A61F 2/1618; A61F 2/1654; G02C 2202/20 (86) International application number: PCT/IB2022/057662 (87) International publication number: WO 2023/031715 (09.03.2023 Gazette 2023/10)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 31.08.2021 US 202163238835 P (71) Applicant: Alcon Inc. 1701 Fribourg (CH)	(72) Inventor: HONG, Xin Fort Worth, Texas 76134 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)