Ray-Ban Chad RX7217 8321 Clear Frames Reading Glasses/Bifocal/Progressive Lenses
Bifocal(Round Top) Lenses with. You need to select your magnification strength for Near Vision(Bottom part) from the following powers: +1.00, +1.25, +1.50, +1.75, +2.00, +2.25, +2.50, +2.75, +3.00. Progressive Varifocal Lenses with.