Try on the CK20528 at your local The EyeDoctors Optometrists location. These black designer eyeglasses from Calvin Klein are perfect for focusing at work or relaxing at home. Made from plastic, 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 Calvin Klein CK20528 just for you, with custom lenses designed for your vision needs.