... Lens1.560Single Vision+12.00D~-12.00D,CYL-6.00DFlat-top Bifocal+5.00D~-4.00D,CYL-4.00D,1.00 ... ~-8.00D.CYL-4.00D.ADD;150 Bifocal Lens1.499Round-Top +6.00D~-6.00D,CYL-4.00D,1.00—3 ... .00D~-6.00D,CYL-4.00D,1.00—3.00Flat-Top +7.00D~-10.00D,CYL-4.00D,1.00—3 ... .001.560Flat-Top+7.50D~-10.00D,CYL-4.00D,1.00—3 ...