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Hi Index 1.67 Lenses

Thin and Light


Hi-Index 1.67 Lenses from Online Optical Store High prescriptions no longer mean thick, chunky lenses that can only be glazed into heavy frames. Using a high index of refraction and advanced material, 1.67 lenses are much thinner and lighter than normal plastic lenses.

Thanks to the   anti-reflective  lens enhancements that can be added, they also offer a more natural vision that is clearer, sharper and easier on the eye.

Nighttime drivers see reduced dazzle from approaching headlights and daytime wear cuts tiring reflections from sunlit surfaces.

Your prescription Is Thinner Is Lighter
-2.00 61% 36%
-4.00 57% 36%
-6.00 50% 42%
-8.00 49% 47%



Pentax UltraThin UV 1.67 Hi Index
Material High Index Plastic
Design Aspheric
Refractive Index 1.67
UV Protection >99%
Abbe Value 32
Coatings Scratch-resistant hard coat
Tintability To 60% density