Abstract
In this study, the functional ophthalmic hydrogel lens containing graphen oxide nanoparticles, PVP (polyvinylpyrrolidone) were manufactured. For 2-hydroxyethyl methacrylate (HEMA), which is the main component of the ophthalmic hydrogel lens, and azobisisobutyronitrile (AIBN), an initiator for thermal polymerization. And for photopolymerization, 2-hydroxy-2-methylpropiophenone (2H2M). And used for cross linker ethylene glycol dimethacrylate (EGDMA). The prepared ophthalmic hydrogel lens samples were hydrated in a sterile physiological saline solution for 24 hours before evaluating their physical properties, such as optical transmittance, refractive index, and water content. The surface characteristics of the lenses were also evaluated by measuring the AFM and contact angle. The results of this study suggest that PVP and graphene oxide nanoparticles have high wettability as additives, and that the lens manufactured by using the photopolymerization method demonstrated an ultraviolet shielding effect, thereby prompting us to conclude its suitability as a highly functional ophthalmic lens.
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