... .56Progressive Lens for Adult:1.499,1.56,1.61 Rx Lens RangeIndexProduct DescriptionPower Range Photochromic Lens1.560Single Vision+12.00D ... Bifocal+5.00D~-4.00D,CYL-4.00D,1.00—3.00Progressive lens+6.00D~-8.00D,CYL-4.00D,1 ... .00—3.00W5 Progressive lens+6.00D~-8.00D,CYL-4.00D ... ,1.00—3.001.610AsphericalSingle Vision+10.00D~-12.00D,CYL-6.00DProgressive ...