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Lenses & Coatings

What your lenses are made of and do — index and materials, single-vision, bifocal and progressive designs, tints and coatings.

Corrective lens

Corrective lens

Lens (optics)

Lens (optics)

Progressive lens

Progressive lens

Bifocals

Bifocals

Trifocal lenses

Trifocal lenses

Anti-reflective coating

Anti-reflective coating

Photochromic lens

Photochromic lens

Polarized sunglasses

Polarized sunglasses

Refractive index

Refractive index

Polycarbonate

Polycarbonate

Trivex

Trivex

Aspheric lens

Aspheric lens

CR-39

CR-39

Vertex distance

Vertex distance