One of the ways sunglasses differ is how much visible light (VLT) reaches the eyes through the lens. This is not the same as UV (ultraviolet) light, which is just one type of potentially harmful light.
There are many frames and lenses available to fit every customer’s pocket. You also have a wide selection of shapes, sizes and styles. Cheap men’s sunglasses Cheap Sunglasses are usually made of stainless steel frames and glass or plastic lenses.
Don’t buy lenses that are too dark. They may look great when you lie on the beach or engage in other sedentary activities, but dark lenses can significantly reduce visual acuity and change color perception.