title: Anterior optic neuritis caused by ethambutol toxicity.
mesh_terms: D000328:Adult; D004977:Ethambutol / Q000009:adverse effects*; D005123:Eye / Q000473:pathology; D006801:Humans; D008297:Male; D009902:Optic Neuritis / Q000139:chemically induced*
chemical_list: D004977:Ethambutol