·AIM:To report the treatment of macular oedema secondary to idiopathic retinitis,vasculitis,aneurysms,and neuroretinitis(IRVAN)with intravitreal triamcinolone.·METHODS:Case report.·RESULTS:A patient diagnosed with IRVAN with visual loss secondary to macular oedema.The macular oedema and her visual acuity was improved dramatically with the administration of intravitreal triamcinolone.·CONCLUSION:Previous reports recommend treatment of IRVAN with panretinal photocoagulation,vitrectomy,systemic and periocular steroids.Our case shows that intravitreal triamcinolone appears to be a safe and effective treatment for macular oedema and vasculitis secondary to IRVAN.·