Introducing our innovative product: the 1.56 Blue Block UV420 photochromic photo grey optical lens! Crafted meticulously in our factory, these lenses offer exceptional functionality and protection. Engineered with advanced photochromic technology, they effortlessly adapt to varying light conditions, transitioning from a clear state to a darker shade, ensuring optimal visibility. Additionally, these lenses effectively block harmful UV rays (UV420), safeguarding your eyes against potential damage. Featuring a stylish photo grey tint, they enhance visual clarity, reducing eye strain. Trust our factory-made lenses for premium quality, unbeatable performance, and superior eye protection.