title: 'Persistant bilateral relative central scotomas induced by taking an excessive dose of sildenafil'.
authors.forename: Shahrnaz
authors.initials: S
authors.lastname: Izadi
authors.forename: Samantha Roshani
authors.initials: SR
authors.lastname: De Silva
authors.forename: David
authors.initials: D
authors.lastname: Sculfor
authors.forename: Larry
authors.initials: L
authors.lastname: Benjamin
authors.forename: Susan M
authors.initials: SM
authors.lastname: Downes
mesh_terms: D003117:Color Vision Defects / Q000139:chemically induced / Q000175:diagnosis; D005451:Fluorescein Angiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D058986:Phosphodiesterase 5 Inhibitors / Q000008:administration & dosage / Q000009:adverse effects*; D010879:Piperazines / Q000008:administration & dosage / Q000009:adverse effects*; D011687:Purines / Q000008:administration & dosage / Q000009:adverse effects; D012607:Scotoma / Q000139:chemically induced* / Q000175:diagnosis; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000008:administration & dosage / Q000009:adverse effects*; D041623:Tomography, Optical Coherence; D058609:Visual Field Tests; D014794:Visual Fields / Q000187:drug effects
chemical_list: D058986:Phosphodiesterase 5 Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate