Try on the RX7140 at your local The EyeDoctors Optometrists location. These crystal designer eyeglasses from Ray-Ban Rx are perfect for focusing at work or relaxing at home. Made from nylon, these eyeglasses feature a design and can help you see clearly with prescription lenses. At The EyeDoctors Optometrists, we can build a complete pair of Ray-Ban Rx RX7140 just for you, with custom lenses designed for your vision needs.