Visible light photochromic sunglasses that change color even in the UV and blue light 12003s light photochromic [k-eines] car, stylish, square,

Regular photochromic lenses change color when exposed to ultraviolet light. Car windshields are designed to block ultraviolet light, so they cannot be used as sunglasses inside a car. On the other hand, these visible light photochromic lenses use a photochromic agent that reacts to light (visible light), so they change color even inside a car, allowing you to use them as sunglasses. Visible light photochromic lenses change the color of the lenses depending on the amount of light. They change to a light color (approximately 10% density) indoors or at night, a medium color (approximately 50% density) in the car, and a dark color (maximum of approximately 90% density) outdoors or on sunny days. They also have a blue light blocking function that blocks approximately 35% of blue light on average. Frame size: 5318-140, total width 138mm (can easily expand to 150mm at temples), lens width 53mm, lens height 24mm, temple length 140mm, weight 19g Classic square type under-rim. Slim and smart design. [k-eines] Visible light photochromic sunglasses that change color even in the car | UV & blue light cut, stylish under-rim design 12013s