These bifocal sunglasses have tinted lenses that protect your eyes against harmful rays, all while helping you read the fine print. Small sections of magnification on the bottom of each lens offers the magnification of your choice, while the rest of the lens has no magnification. Available in strength: +1.00, +1.25, +1.50, +1.75, +2.00, +2.25, +2.50, +2.75, +3.00.