Ralph By Ralph Lauren RA7170U 5003 Eyeglasses Ralph Lauren RA7170U, with a square frame in acetate, offer a modern and decisive look. The turtle color completes the structured design, perfect for those looking for a strong definition in their style. Recommended for round and oval faces, since they add corners and definition to the softer features. Ideal for women. Ralph Lauren RA7170U Tortoise - Price includes high quality frames, standard prescription lenses, shipping, free case and cloth. Medium Tortoise Full-Rim for Women. These Rectangle shaped eyeglasses are great for Oval/Round shaped faces.