Ray Ban Hexagonal Blue-Light Clear Evolve RB3548 Sunglasses Clear Photocromic with Blue-Light Filter SilverOriginally designed by placing a square and a circular frame over one another, Hexagonal has been reimagined for the digital generation as part of the Everglasses collection. The thin metal frame is now available with anti-reflective, photochromic lenses featuring a blue light filter and 100% UV protection, to increase visual comfort in all light conditions and bring you an everyday accessory you never need to take off.