title: [A man with optic disc swelling].
abstract: A 60-year-old man presented with deterioration of vision in his right eye. Funduscopic examination showed bilateral optic disc swelling. Ultrasonography revealed optic disc drusen. Optic neuropathy due to optic disc drusen can cause transient and permanent visual impairment.
authors.affiliation: UMC Groningen, afd. Oogheelkunde, Groningen.
authors.forename: Nienke
authors.initials: N
authors.lastname: Waardenburg-Luiting
authors.forename: Stijn W
authors.initials: SW
authors.lastname: Genders
authors.forename: Wouter J
authors.initials: WJ
authors.lastname: Japing
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D015594:Optic Disk Drusen / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009900:Optic Nerve / Q000098:blood supply; D014463:Ultrasonography; D014786:Vision Disorders / Q000175:diagnosis; D014792:Visual Acuity / Q000502:physiology*