title: Doubling of the papilla.
mesh_terms: D000015:Abnormalities, Multiple; D000293:Adolescent; D000506:Alopecia Areata / Q000150:complications; D003103:Coloboma; D005124:Eye Abnormalities; D006801:Humans; D008297:Male; D009900:Optic Nerve / Q000002:abnormalities*; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging; D013100:Sphenoid Bone / Q000002:abnormalities; D013285:Strabismus / Q000150:complications / Q000209:etiology