... Finished&Semi Finished UC HC HMC EMI avaliable Flat Top Bifocal Lens Index: 1.499 1.56 1.60 ... 35 75/35mm finished & semi finishedAs the largest lens manufacturer in China, Wan Xin Optical is the ... polarized(Grey, Brown and G-15), polycarbonate, tinted, RX lens(uncoated, hard coated, HMC, EMI, Super Hydrophobic) including ... demonstrate our quality service to you. Flat Top Bifocal Lens 1.499 1.56 1.60