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公开(公告)号：US20190129069A1
公开(公告)日：2019-05-02
申请号：US16220734
申请日：2018-12-14
发明人： Jae Yun KIM , Bong Guen CHA , Seung Woo CHOI
摘要： The present disclosure relates to a contact lens containing ceria particles. Further, the present disclosure relates to a method for manufacturing a contact lens containing ceria particles. The method includes preparing ceria particles; preparing poly-2-hydroxyethyl methacrylate (PHEMA or poly-HEMA) in a form of cross-linked hydrogel; mixing the ceria particles and the monomer mixture for poly-2-hydroxyethyl methacrylate (PHEMA or poly-HEMA) with each other to form a mixture; and injecting the mixture in a mold having a contact lens shape; and performing photo-curing polymerization of the mixture. The contact lens effectively eliminates the reactive oxygen species and harmful radicals that are identified as a cause of eye diseases.
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