Frame: Shiny Crystal Lens: Mineral Polarized 555nm Blue Ultra-Light Mineral Lens Photochromic Polarized Spectral Control Frame: Acetate/Shiny Crystal As the pioneer of Photochromic technology, Serengeti® leads the industry in creating lenses that adapt to any light condition in any setting. Serengeti® Photochromic lenses are activated by the amount of UV...

As the pioneer of Photochromic technology, Serengeti® leads the industry in creating lenses that adapt to any light condition in any setting. Serengeti® Photochromic lenses are activated by the amount of UV radiation in the atmosphere and engineered to transition from light to dark, gradually. In bright conditions, UV radiation...