Eyewear Lenses & Coatings Lenses; Uv+420Cut not only Blocks all UV Rays, But also Absorbs High Energy Violet (Hev) Light Up to 420Nm. Hev Light has been Linked to Age Related Macular Degeneratin (Amd) and is Emitted in High Proportion by the LED Screens Used in Tvs, Monitors, Smartphones, Tablets, Eyewear Accessories ...
