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EP 4 824 158 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 26701496.7 (22) Date of filing: 16.01.2026

(51) International Patent Classification (IPC):  C08K 5/00(2006.01) G02B 1/04(2006.01) (52) Cooperative Patent Classification (CPC): G02B 1/041; C08K 5/0041; C08K 5/0091   C-Sets: G02B 1/041, C08L 33/10; C08K 5/0091, C08L 33/10; (86) International application number: PCT/EP2026/051066 (87) International publication number: WO 2026/180126 (03.09.2026 Gazette 2026/36)

(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 LA MA MD TN (30) Priority: 28.02.2025 WO PCT/CN2025/079715 (71) Applicant: Carl Zeiss Vision International GmbH 73430 Aalen (DE)	(72) Inventors: CHEN, Fang Tonsley, South Australia 5042 (AU) PI, Jinbo Guangzhou, Guangdong 510555 (CN) LIANG, Jingye Guangzhou, Guangdong 510555 (CN) LANG, Min Guangzhou, Guangdong 510555 (CN) (74) Representative: Carl Zeiss AG - Patentabteilung  Carl-Zeiss-Straße 22 73447 Oberkochen 73447 Oberkochen (DE)