title: Sarcoidosis involving the optic nerve head.
mesh_terms: D002386:Cataract / Q000209:etiology; D002829:Choroid / Q000473:pathology; D005901:Glaucoma / Q000209:etiology; D006099:Granuloma / Q000209:etiology / Q000473:pathology; D006801:Humans; D007500:Iritis / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009336:Necrosis; D009900:Optic Nerve / Q000473:pathology; D012164:Retinal Diseases / Q000209:etiology / Q000473:pathology; D012507:Sarcoidosis / Q000150:complications / Q000473:pathology