Need an optometrist in West Winfield? Visit our eye doctor, Dr. Donald Knapp, for your next eye exam, and all your eye care needs. RIght in the heart of Upstate New York in West Winfield Dr Donald Knapp has the leading team of eye care specialists to help you see clearly and look great. Our services include a full eye exam, contact lens fitting, dry eye treatment, Macular Degeneration, and Cataract Surgery, and more. Visit us for relief today!