... manufacturer in the optical industry. In 2009, according to Chinese customs statistics, we are No. 1 in terms of exporting lens quantity in ... , tinted, RX lens(uncoated, hard coated, HMC, EMI) including free form, HI-VEX lenses, with index of 1.499, 1.56, 1.60, 1.67, both in ... us the opportunity to demonstrate our quality service to you.Round Top Bifocal Lens 1.499 1.56 1.60 Round Top Bifocal Lens