Host Andrew Lee, MD, interviews Alfredo Sadun, MD, and Neil Miller, MD. Dr. Andrew Lee leads a discussion on nonarteritic anterior ischemic optic neuropathy (NAION). The topics range from workup in the presence and absence of classic risk factors for NAION to various controversial treatment options. Finally, the participants discuss prognosis and the likelihood of a second attack on the same or fellow eye. (November 2011)