Duane Knowles, O.D., is an expert optometrist in Bountiful, UT, at Standard Optical — one of Utah’s leading eye care providers. He provides a wide range of services to fulfill your eye care needs, including professional eye exams and prescriptions for eyeglasses, sunglasses, and contact lenses. For an experienced eye doctor you can rely on, schedule an appointment with Dr. Knowles at Standard Optical in Bountiful, UT.