Hydroxyethyl Methacrylate Corneal Contact Lenses Doped with N-Vinylpyrrolidone and Silane-Modified Silica Nanoparticles for Enhanced UV Absorption
Zequn Sun,
Fan Li,
Kai Shi
et al.
Abstract:Despite the significant advancements in hydrogel materials, contemporary hydrogel contact lenses still need to protect against ultraviolet rays. This study explores the impact of silane-modified silica nanoparticles (SMSi nanoparticles) and Nvinylpyrrolidone (NVP) on the properties of hydroxyethyl methacrylate (HEMA) corneal contact lenses. The average diameter of SMSi nanoparticles was 300 ± 100 nm, and in situ copolymerization was employed to create poly(HEMA-NVP-SMSi) hydrogel contact lenses. The enhanced u… Show more
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