Contrast radiography of the optic nerve sheath.
D000368:Aged; D001099:Arachnoid; D003287:Contrast Media; D006801:Humans; D008297:Male; D009186:Myelin Sheath; D009900:Optic Nerve / Q000033:anatomy & histology*; D010841:Pia Mater; D011859:Radiography
D003287:Contrast Media