Dr. John W. Zahara Zahara graduated from Ohio State University with both a B.S. degree in Physiological Optics and a Doctor of Optometry degree. After graduation, Dr. Zahara was chief Optometrist at Beach Army Hospital in Texas before setting up practice in Grove City. Dr. Zahara's primary interests are pathology (disease) detection and contacts. Dr. Zahara utilizes special equipment such as an Optomap to detect and record retinal pathology.