Progressive Photochromic (Light-Responsive) Lenses Index:1.74 Index Our Single Vision Photochromic lenses

Our Single Vision Photochromic lenses are engineered with light-responsive technology to automatically adjust to changing light conditions

Max PD 80 Lens Width 54 Lens Height 53 Frame Width 138 Temple Length 140 Lens Bridge 17 Shape Butterfly Material TR90 Fit Medium Frame Weight 27 grams

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They provide sharp vision in any environment

Progressive Photochromic (Light-Responsive) Lenses Index:1.74 Index Our Single Vision Photochromic lensesProgressive Photochromic (Light Responsive) Lenses adapt to changing light conditions, quickly adjusting darkness in response to UV radiation. They provide sharp vision in any environment, reducing the need for multiple pairs of glasses.