Jacobsen Optical EyewearThese Aviator eyeglass frames are comfortable and stylish and will accommodate any prescription lenses (single vision, progressive, or bifocal). With a flattering and comfortable full frame design these Aviator eyeglasses offer stability and durability for lasting wear. Large, Aviator style eyeglasses Metal frame and arms Clear lenses accommodates single vision, progressive, or bifocal prescription lenses Lens width: 57mm Lens height: 45mm Bridge