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General Conditions 　 CR-39 Hard Resin Lens 　 1.56 Middle Index Hard 　　Resin Lens 　 1.56 Photochromic Hard 　　Resin Lens 　 1.59 Polycarbonate Lens 　 1.61 Hi - Index Hard 　　Resin Lens 　 Mineral White 1.523 　　Optical Lens 　 Mineral 1.7/1.8/1.9 　　Hi-index Lens 　 Mineral Photochromic Lens 　 Sunlens & polarized lens

Mineral White 1.523 Ophthalmic Lens     Refraction index Nd=1.523 Abbe value 58 Density 2.53 g/cm3 New designed products, slim and thin AR and AR+EMI coating available in greenish and bluish color Absorb UV-ray and provide effective protection for the eyes     Slim Crown - Dia60mm   Regular Crown - Dia65mm   Luxe Crown - Dia70mm   Bifocal Crown - Dia65mm

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