[Montana Optometric Association Montana Optometric Association - Affliliate of the American Optometric Association. Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. Founded in 1907. Our mission is "continuously elevate and enhance the profession of optometry and the quality of care to patients served".]