Detailed Product Description 1.499 bifocal lenses with resin : 1) Finished lenses power range:70mm SPH(+0.00 to ... , 6.00, 8.001. We produce resin lenses (1.56, 1.61, 1.67) and Mineral ... 1.70) 2. Finished & Semi-finished optical lenses are available. 3. We can supply nearly a ... full range of optical lenses ,including Progressive lens, Bifocal lens, Polarized lens, Photochromic ...