Aspergillosis presenting as a corticosteroid-responsive optic neuropathy

A case of orbital aspergillosis presenting as a steroid response of optic neuropathy is presented. The invasive and aggressive nature of this infection in the presence of systemic corticosteroids is documented by serial CT scans and necropsy examination. The authors urge inclusion of aspergilloma in the differential diagnosis of a steroid responsive optic neuropathy.