... , 1.523, 1.70 - Full Comprehensive range of Rx prescription lens in all index and material (Mineral, Polycarbonate ... and Polarized) - Available in all kinds of Optical Rx coating, colour tinting service With advanced production apparatuses, first ... Town, Dan yang, Jiangsu, China Main featuresCR-39 RX optical lens1.Index:1.56,1.492.Dia:65 ... .00~+4.00 CYL 0.00~-2D RX Power: SPH:-8.00~-20.00 CYL 0.00~-6D ...