... UC HC HMC EMI avaliable Flat Top Bifocal Lens Index: 1.499 1.56 1.60 Diameter: 70/28 75/28 80/28 ... to Chinese customs statistics, we are No. 1 in terms of exporting lens quantity in China. We can always make ... lens(uncoated, hard coated, HMC, EMI, Super Hydrophobic) including free form, HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1. ... our quality service to you. Flat Top Bifocal Lens 1.499 1.56 1.60