Introducing our top-quality 1.56 Blue Block UV420 photochromic photo grey optical lens. This lens is designed to provide you with crystal clear vision while effectively blocking harmful blue light. With its photochromic feature, the lens automatically darkens in bright light conditions and lightens in low light conditions. Made from premium materials, our lenses are scratch-resistant and durable. As a factory, we are committed to producing high-quality eyewear products that exceed your expectations. Try our 1.56 Blue Block UV420 photochromic photo grey optical lens today and experience the difference.