title: Anterior ischemic optic neuropathy. IV. Occurrence after cataract extraction.
abstract: Findings are described from 13 eyes in which post-cataract-extraction anterior ischemic optic neuropathy (PCE-AION) developed immediately after an uncomplicated cataract extraction. During the early stages of the disease, the disc is edematous, with optic disc-related visual-field defects, but after about two months, the disc is pale. The almost invariable high rise of intraocular pressure during the immediate postoperative period plays a critical role in production of PCE-AION in eyes with vulnerable optic nerve head circulation. There is a high risk of development of PCE-AION in the second eye in patients with PCE-AION in the first eye, but this can be prevented by prophylactic measures. Post-cataract-extraction AION needs to be differentiated from ordinary AION seen in aphakic eyes months or years after the cataract extraction.
mesh_terms: D000328:Adult; D000368:Aged; D000777:Anesthetics / Q000009:adverse effects; D001036:Aphakia, Postcataract / Q000150:complications; D002387:Cataract Extraction / Q000009:adverse effects*; D005260:Female; D005654:Fundus Oculi; D006801:Humans; D007022:Hypotension / Q000139:chemically induced; D007429:Intraocular Pressure; D007511:Ischemia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009900:Optic Nerve / Q000098:blood supply*; D009901:Optic Nerve Diseases / Q000209:etiology*; D014792:Visual Acuity; D014794:Visual Fields
chemical_list: D000777:Anesthetics