This optical frame features sizable lenses and a slim acetate frame—accented with a subtle keyhole bridge. Optical Quality Frames: allows for a better fit with easy adjustments and suitable for the insertion of prescription lenses Highest Quality Scratch-Resistant Lenses Premium Acetate: Highest quality polycarbonate; strong, hypoallergenic and flexible Janet R-1650-C1-SUN Pink Tortoise / Dark Smokey Lens