Ray-Ban Wayfarer RB2140 50mm Replacement Lens Reading Glass/Bifocal/Progressive

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. - Hydrophobic coating(Water doesn't stay on the surface of lens).