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High Performance Materials for Ophthalmic Hydrogel Lens Containing Nanoparticles
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  • Journal title : Journal of the Chosun Natural Science
  • Volume 9, Issue 1,  2016, pp.16-22
  • Publisher : The Research Institute of Chosun Natural Science
  • DOI : 10.13160/ricns.2016.9.1.16
 Title & Authors
High Performance Materials for Ophthalmic Hydrogel Lens Containing Nanoparticles
Kim, Duck-Hyun; Sung, A-Young;
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The optical and physical and characteristics of hydrogel ophthalmic lens polymerized with addition of 2,6-difluoropyridine, SiPc(silicon 2,9,16,23-tetra-tert-butyl-29H31H-phthalocyanine dihydroxide) and nanodiamond in the basic hydrogel material were evaluated. In particular, the utility of 2,6-difluoropyridine, SiPc and nanodiamond as a hydrogel ophthalmic lens material was investigated. 2,6-difluoropyridine, SiPc and nanodiamond were used as additives. And also, 2-hydroxyethyl methacrylate, acrylic acid, methyl methacrylate and a cross-linker EGDMA were copolymerized in the presence of AIBN as an initiator. The refractive index of 1.4348~1.4361, water content of 33.30~34.02%, UV-B transmittance of 4.77~67.50%, UV-A transmittance of 1.45~89.19% and visible transmittance of 32.12~92.21% were obtained. The results of hydrogel lens containing 2,6-difluoropyridine (add 5%) showed antibiosis for staphylococcus aureus. The produced copolymer is suitable for hydrogel soft ophthalmic lenses with antibiotic and anti-UV effect.
Nanodiamond;Hydrogel Ophthalmic Lens;Additives;Antibiotic;Anti-UV Effect;
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