Faded lenses go from a darker shade at the top to a lighter one at the bottom, so there will be more protection from sunlight the higher one looks through the lens, but the lower one looks through the lens, the less protection is offered. The fashion advantage is that one can wear them indoors without fear of tripping over something and also allowing the user to see. Wearing sunglasses to nightclubs has become common in recent times, where the faded lens comes in handy. The Independent (London), has also referred to this style of sunglasses as the Murphy Lens. Double gradient lenses are dark at the top, light in the middle, and dark at the bottom.