Polarized lenses have a special chemical applied to them to filter light. The chemical's molecules are lined up specifically to block some of the light from passing through the lens.
Including 1.49 Polarized lens, 1.56 Polarized lens, 1.61 Polarized lens and 1.67 Polarized lens,Polarized S/F FLAT TOP,Bifocal Lens,Polarized S/F Progressive Lens (Short Corridor 14+2)
Material refractive index=1.499/1.56/1.61/1.67
Diameter: 75mm, 80mm
Lenses Color: White, Grey, Brown, G15
Available: Non-coating, hard-coating, multi-coating
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