Try on the Mckarren at your local The EyeDoctors Optometrists location. These crystal designer eyeglasses from BKLYN 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 BKLYN Mckarren just for you, with custom lenses designed for your vision needs.