RELAPSING polychondritis is a rare disorder of uncertain origin characterized by recurrent inflammation of cartilaginous structures throughout the body. An increased awareness has resulted in more frequent reporting of this condition in recent years. Ocular involvement occurs in 65% of patients with relapsing polychondritis.<sup>1</sup>Episcleritis is the most common ocular finding, although scleritis, conjuctivitis, iritis, and keratitis are frequently found. Rarely, chorioretinitis, exophthalmos, extraocular muscle palsies, and optic neuritis may be encountered. We report the case of a 63-year-old man with relapsing polychondritis in whom ischemic optic neuropathy developed. <h3>Report of a Case</h3> A 63-year-old man noted the rapid onset of decreased vision in his left eye. He also complained of shoulder girdle myalgias. He was seen at a nearby emergency room, was thought to have unilateral papilledema, and was transferred to Walter Reed Army Medical Center. Initial examination showed that his visual acuity was 20/20 in the right