[Posterior acute ischemic optic neuropathy (author's transl)].

Posterior acute ischemic neuropathy is a new and distinct clinical entity. This syndrome associate unilateral visual disturbance with arcuate or altitudinal defect. Ocular ophthalmoscopic examination and fluorescein fundus angiography are normal at the onset of the disease. Later develop varied degrees of optic atrophy. Association with anterior optic acute ischemic neuropathy on the other eye is possible. Systemic lupus erythematosus, periarteritis nodosa, temporal arteritis, and arteriosclerosis are often involved. Study of three personal cases. Discussion on pathogenesis.