These bifocal sunglasses have polarized, tinted lenses that protect your eyes against harmful rays, all while helping you read the fine print. Small sections of magnification along the bottom of each lens offers the magnification of choice, while the rest of the lens has no magnification. Available in strength: +1.25, +1.50, +1.75 +2.00, +2.25, +2.50 and +3.00.