Lin, Chun-Chih Compressive Optic Neuropathy Caused by Cholesterol Gran- uloma in the Posterior Ethmoid Sinus. [electronic resource] - Eye science Mar 2015 - 31-3 p. digital Publication Type: Case Reports; Journal Article ISSN: 1000-4432 Subjects--Topical Terms: CholesterolEndoscopyEthmoid Sinus--diagnostic imagingGranuloma, Foreign-Body--complicationsHumansMaleMiddle AgedNerve Compression Syndromes--complicationsOptic NerveOptic Nerve Diseases--diagnostic imagingPapilledema--diagnosisSphenoid SinusTomography, X-Ray ComputedVisual Field Tests