The Doctor of Optometry (O.D.) degree is based on the NSU Tahlequah campus. The program is four years of intensive doctoral-level training that prepares students to become effective members of a comprehensive health care team. The Optometric Physician has been trained to diagnose and treat a wide-variety of eye and vision problems at the primary care level. In addition, the optometrist learns to identify and assist in managing a wide-variety of non-ocular systemic and psychological conditions. By working effectively with members of many other health care disciplines, Optometric Physicians play a significant role in providing for the comprehensive needs of the patients they serve.