TianwenHigh-index Photochromic Lenses are a cutting-edge product that offers both style and funcutionality.These lenses are designed to automatically adjust to changing light conditions, providing optimal vision and maximum protection for your eyes.With ahigh-index design, these lenses are thinner and lighter than traditional lenses,offering enhanced comfort and clarity.Made with advanced technology and top-quality materials,Tianwen Photochromic Lensesare the perfect choice for those seeking astylish and practical eyewear solution.