Korean J Ophthalmol > Volume 13(2); 1999 > Article
Korean Journal of Ophthalmology 1999;13(2):100-104.
DOI: https://doi.org/10.3341/kjo.1999.13.2.100    Published online December 30, 1999.
Fluorescein angiographic features of choroidal insufficiency in anterior ischemic optic neuropathy.
S Y Shin, D S Kim, M K Ko
Department of Ophthalmology, School of Medicine, Hanyang University, Seoul, Korea.
Abstract
Anterior ischemic optic neuropathy(AION) is known to be caused by circulatory disturbance in the anterior optic nerve(AON). Because the AON shares blood supply from the paraoptic short posterior ciliary artery with peripapillary choroid, the authors investigated the angiographic evidences of combined choroidal insufficiency in patients with acute AION. Fundus fluorescein angiograms from 30 eyes from 28 patients with acute AION were enrolled in this study. The diagnosis of acute AION was based primarily on angiographic evidences of filling delay of optic nerve head and the various clinical features, such as decreased visual acuity, visual field defects, afferent pupillary defect, and optic disc swelling. Angiographic evidences of combined choroidal filling delay were as follows: 1) circular or localized filling delay of peripapillary choroid in 15 eyes (50%), 2) generalized filling delay of posterior pole in 11 eyes (36.7%), 3) filling delay of unilateral choroid divided by watershed zone in 5 eyes (16.7%), and 4) choriocapillary filling delay in 10 eyes (33.3%). In this study, various types of choroidal insufficiency in patients with AION were observed, which helped us to differentiate AION from the other various diseases of the anterior optic nerve.


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