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General Conditions 　 1.523 Optical White Lens 　　Blank 　 1.7 Hi-index Lens Blank 　 Photochromic Grey Lens 　　Blank 　 Photochromic Brown Lens 　　Blank 　 1.523 Cruxite Lens Blank 　 Flint Button for Bifocal 　　Lens 　 Sunlens Blank (GG-15) 　 Mold Glass

1.523 Optical White (Crown) Lens Blank   Refraction index Nd=1.523 UV cut-off 330 nm Abbe value 58 Linear thermal expansion coefficient (0-300) 90.8 x 10-7/oＣ Density 2.53 g/cm3 Compressive stress birefringence 70 nm/cm Transmission rate of white light 91% Ann. Pt. 520   Price List USD/Pair Code Dia. (mm) Curve C. Thick. (mm) Curv. Radius (mm) Price CCX ( + ) CCV ( - ) CCX ( + ) CCV ( - ) W550080000079 W550100000098 W550120000117   W556060060028 W556060060030 W556060060035 W556060060040 W556060060050 W556060060060 W556060060070 W556060060080 W556060060100 W556060060120 W556060050040 W556060040050 W556060030060 W556060020070 W556050060030 W556040060030 W556030060030 W556020060030 W556080000083 W556100000103 W556120000123   W560060060028 W560060060030 W560060060035 W560060060040 W560060060050 W560060060060 W560060060070 W560060060080 W560060060100 W560060060120 W560060050040 W560060040050 W560060030060 W560060020070 W560050060030 W560040060030 W560030060030 W560020060030 W560080000097 W560100000117 W560120000137   W565060060028 W565060060030 W565060060035 W565060060040 W565060060050 W565060060060 W565060060070 W565060060080 W565060060100 W565060060120 W565060050040 W565060040050 W565060030060 W565060020070 W565050060030 W565040060030 W565030060030 W565020060030   W570060060030 W570060060035 W570060060040 W570060060050 W570060060060 W570060060070 W570060060080 W570060060100 W570060060120 W570060050040 W570060040050 W570060030060 W570060020070 W570050060030 W570040060030 W570030060030 W570020060030 50 8.00 0.00 7.9 65 0 0.128 50 10.00 0.00 9.8 52 0 0.152 50 12.00 0.00 11.7 44 0 0.210               56 6.00 6.00 2.8 87 87 0.073 56 6.00 6.00 3.0 87 87 0.078 56 6.00 6.00 3.5 87 87 0.085 56 6.00 6.00 4.0 87 87 0.095 56 6.00 6.00 5.0 87 87 0.113 56 6.00 6.00 6.0 87 87 0.133 56 6.00 6.00 7.0 87 87 0.158 56 6.00 6.00 8.0 87 87 0.201 56 6.00 6.00 10.0 87 87 0.236 56 6.00 6.00 12.0 87 87 0.298 56 6.00 5.00 4.0 87 105 0.089 56 6.00 4.00 5.0 87 131 0.102 56 6.00 3.00 6.0 87 174 0.116 56 6.00 2.00 7.0 87 262 0.130 56 5.00 6.00 3.0 105 87 0.083 56 4.00 6.00 3.0 131 87 0.094 56 3.00 6.00 3.0 174 87 0.105 56 2.00 6.00 3.0 262 87 0.115 56 8.00 0.00 8.3 65 0 0.158 56 10.00 0.00 10.3 52 0 0.187 56 12.00 0.00 12.3 44 0 0.243               60 6.00 6.00 2.8 87 87 0.082 60 6.00 6.00 3.0 87 87 0.087 60 6.00 6.00 3.5 87 87 0.091 60 6.00 6.00 4.0 87 87 0.105 60 6.00 6.00 5.0 87 87 0.135 60 6.00 6.00 6.0 87 87 0.155 60 6.00 6.00 7.0 87 87 0.183 60 6.00 6.00 8.0 87 87 0.230 60 6.00 6.00 10.0 87 87 0.302 60 6.00 6.00 12.0 87 87 0.353 60 6.00 5.00 4.0 87 105 0.099 60 6.00 4.00 5.0 87 131 0.112 60 6.00 3.00 6.0 87 174 0.128 60 6.00 2.00 7.0 87 262 0.143 60 5.00 6.00 3.0 105 87 0.096 60 4.00 6.00 3.0 131 87 0.108 60 3.00 6.00 3.0 174 87 0.120 60 2.00 6.00 3.0 262 87 0.135 60 8.00 0.00 9.7 65 0 0.210 60 10.00 0.00 11.7 52 0 0.243 60 12.00 0.00 13.7 44 0 0.272               65 6.00 6.00 2.8 87 87 0.095 65 6.00 6.00 3.0 87 87 0.102 65 6.00 6.00 3.5 87 87 0.115 65 6.00 6.00 4.0 87 87 0.126 65 6.00 6.00 5.0 87 87 0.161 65 6.00 6.00 6.0 87 87 0.186 65 6.00 6.00 7.0 87 87 0.213 65 6.00 6.00 8.0 87 87 0.274 65 6.00 6.00 10.0 87 87 0.329 65 6.00 6.00 12.0 87 87 0.390 65 6.00 5.00 4.0 87 105 0.117 65 6.00 4.00 5.0 87 131 0.126 65 6.00 3.00 6.0 87 174 0.142 65 6.00 2.00 7.0 87 262 0.155 65 5.00 6.00 3.0 105 87 0.113 65 4.00 6.00 3.0 131 87 0.130 65 3.00 6.00 3.0 174 87 0.148 65 2.00 6.00 3.0 262 87 0.161               70 6.00 6.00 3.0 87 87 0.162 70 6.00 6.00 3.5 87 87 0.175 70 6.00 6.00 4.0 87 87 0.186 70 6.00 6.00 5.0 87 87 0.221 70 6.00 6.00 6.0 87 87 0.246 70 6.00 6.00 7.0 87 87 0.273 70 6.00 6.00 8.0 87 87 0.334 70 6.00 6.00 10.0 87 87 0.389 70 6.00 6.00 12.0 87 87 0.450 70 6.00 5.00 4.0 87 105 0.177 70 6.00 4.00 5.0 87 131 0.186 70 6.00 3.00 6.0 87 174 0.202 70 6.00 2.00 7.0 87 262 0.215 70 5.00 6.00 3.0 105 87 0.173 70 4.00 6.00 3.0 131 87 0.200 70 3.00 6.00 3.0 174 87 0.216 70 2.00 6.00 3.0 262 87 0.231

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