Index : 1.59 Polycarbonate Lens Abbe Value : 31 Gravity (g/cm3) : 1.20 UV Protection (UV--A) : 390nm HC, HC ... , according to Chinese customs statistics, we are No. 1 in terms of exporting lens quantity in China. We ... form, HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1.67, both in finished and semi-finished. ... to demonstrate our quality service to you. 1.59 Polycarbonate Lens HC HMC finished S/F