... Lens in all index 1.499, 1.56, 1.60, 1.61, 1.67, 1.74, 1.523, 1.70 - Full Comprehensive range of Rx prescription lens in all ... Polycarbonate, Transition and Polarized) - Available in all kinds of Optical Rx coating, colour tinting service With advanced production apparatuses, first-rate ... , Dan yang, Jiangsu, China Main featuresCR-39 RX optical lens1.Index:1.56,1.492.Dia:65/70/72mm3.Monomer:PPG4.Abbe ...