Case Report Anterior Ischemic Optic Neuropathy in a Patient with Churg-Strauss Syndrome

Churg-Strauss syndrome (CSS) is a systemic necrotizing vasculitis involving multiple organ systems. Despite multi-system involvement, ocular manifestations have been very rarely reported [1]. The mechanism of optic neuropathy is most probably acute ischemic changes of the anterior optic nerve due to direct involvement of the short posterior cili-ary arteries by inflammation of the vessel wall [2]. To the best of our knowledge, the occurrence of anterior ischemic optic neuropathy (AION) in CSS has not been reported in Korea. We believe this to be the first report of AION asso-ciated with CSS in Korea. Case Report A 54-year-old man presented to our department after referral for decreased visual acuity in his right eye for 2 weeks. The patient was being treated in the pulmonolog