Ray-Ban RB7217F Chad Optics Bio-Based eyeglasses from Ray-Ban are a fullâ€bodied update to the iconic rectangle frames. These eyeglasses, inspired by the iconic Original Wayfarer, have a stronger bottom line and larger visual impact. The thin black temples on a black frames, made with bio-acetate having 67% bio-based carbon content, add an extra bit of edge to this look.