title: Non-arteritic anterior ischaemic optic neuropathy and phosphodiesterase-5 inhibitors.
authors.forename: Sohan Singh
authors.initials: SS
authors.lastname: Hayreh
mesh_terms: D000075202:Contraindications; D007172:Erectile Dysfunction / Q000188:drug therapy; D006801:Humans; D008297:Male; D009898:Optic Disk / Q000098:blood supply; D018917:Optic Neuropathy, Ischemic / Q000139:chemically induced*; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D012307:Risk Factors
chemical_list: D010726:Phosphodiesterase Inhibitors