... Bifocal Lens 1.499 1.56 finished & semi finished 70/28 70/24 UC HC HMC As the largest lens manufacturer in China, Wan Xin Optical ... , RX lens(uncoated, hard coated, HMC, EMI, Super Hydrophobic) including free form, HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1.67 ... us the opportunity to demonstrate our quality service to you. 1.499 1.56 Round Top Bifocal lens 70/28 70/24