SHINU Men's Frame for Photochromic Sunglasses with TR90 Frame Choosing Lens Color by Your Side 9195
Origin: ImportedThis glasses for all your need. Photochromic lens can be used as sunglasses.Anyone who has done this, knows the pain of switching eye glasses 100 times a day.Photochromic Reading glasses Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight. Lenses will begin to clear as soon as they are away from UV sunlight, and will be noticeably lighter and mostly clear within a few minutes. They absorb UV radiation that can otherwise damage your eyes. They are an excellent solution for people who hate constantly switching between their reading glasses and their shades