Saint Laurent Woman Sl 314 Sun 001 Blue Light Blocking Glasses Metal Black Transparent Squared Anti-blue Light Photochro

The new line of blue & beylond glasses is made up of ready-to-wear frames which increase visual comfort to 360 thanks to special lenses that combine light reduction treatment blue with technology photochromic.   Essilor nxt lenses varied in polyurethane, which combine optical transparency, lightness and impact resistance.   Photocromatic technology e-sun various : the latest lenses technology that adapt to light. The lenses become darker when they are affected by sunlight, the more they protect the eye from the spectrum of visible light, including light blue.   Treatment for the reduction of blue light, which guarantees a further reduction in light blue for total absorption from 34% to 45% inside and at least 70% outside, thanks to photochromatic technology.

The new line of blue & beylond glasses is made up of ready-to-wear frames which increase visual comfort to 360 thanks to special lenses that...show more