... , 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 ... with advanced equipments for the above RX lenses. We believe that we will easily earn your trust with our high quality, excellent ... us the opportunity to demonstrate our quality service to you. 1.56 Photochromic Lens Single Vision Bifocal Progressive