VINTAGE Nerd Retro Rectangular Square Men Women Clear Lens Eye Glasses plastic frame plastic lens non-polarized Lens width: 52 millimeters The frame is made of plastic with spring hinge, it is durable, flexible and comfortable Suitable for both men and women You can take the frame to your eye doctor to replace with prescription lens Measurement: 52-19-150, Frame Width: 138mm, Lens Height: 32mm (approx.)