Wearing this kind of lens can block ultraviolet and infrared rays.
Designer LOU VUT luxury cool sunglasses for men classic attitude Metal square frame Popular retro avant-garde outdoor uv 400 protection 0259 Sunglasses are a kind of glasses that can be used not only to play cool, but also to use its shading properties to make you look at everything on the surface. At the same time, the color of the external environment does not change, only the light intensity changes, as if it i Strong sunlight contains a lot of ultraviolet and infrared rays, which may damage the cornea, lens, and even the fundus of the eyes. In recent years, due to the importance of health, many people like to wear sunglasses when going out in the hot summer to reduce the stimulation of the sun.