title: Pupillary anomaly masquerading as a glaucomatous visual field defect: a case report.
abstract: BACKGROUND
  Patients are often referred to ophthalmologists with focal visual field defects on routine testing, possibly related to a potential diagnosis of glaucoma. However, examination of the individual patient's ocular characteristics as well as facial characteristics may often reveal a cause of the visual field defect.
  
  
  METHODS
  We describe a patient who was found to have a superior visual field defect on routine testing by the optician. Repeat perimetry with pharmacological dilatation of the pupil revealed that the cause of the field defect was related to an eccentric inferiorly displaced pupil, secondary to trauma some years previously.
  
  
  CONCLUSIONS
  Individual patient characteristics, including both ocular, as well as facial, need to be considered, when interpreting any visual field defect.
authors.affiliation: Department of Ophthalmology, Princess Alexandra Eye Pavilion, Chalmers Street, Edinburgh EH3 9HA United Kingdom. niallpatton@hotmail.com
authors.forename: Niall
authors.initials: N
authors.lastname: Patton
authors.forename: Adrian
authors.initials: A
authors.lastname: Tey
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D015807:Eye Injuries, Penetrating / Q000150:complications; D005260:Female; D005901:Glaucoma / Q000175:diagnosis*; D006801:Humans; D007498:Iris / Q000293:injuries; D009184:Mydriatics / Q000008:administration & dosage; D011680:Pupil / Q000187:drug effects; D011681:Pupil Disorders / Q000175:diagnosis* / Q000209:etiology; D014786:Vision Disorders / Q000175:diagnosis*; D058609:Visual Field Tests; D014794:Visual Fields
chemical_list: D009184:Mydriatics