title: Angle-closure glaucoma in association with orbital pseudotumor.
abstract: OBJECTIVE
  To describe the pathophysiology of angle-closure glaucoma secondary to idiopathic inflammatory orbital pseudotumor.
  
  
  METHODS
  Retrospective, small noncomparative case series.
  
  
  METHODS
  Three patients with angle-closure glaucoma and orbital pseudotumor.
  
  
  METHODS
  The pathophysiology of this entity was investigated using magnetic resonant imaging (MRI) and ultrasound biomicroscopy (UBM).
  
  
  METHODS
  Clinical features, anterior chamber angle configuration, and intraocular pressure.
  
  
  RESULTS
  Angle closure from anterior rotation of the ciliary body caused by choroidal effusions secondary to pseudotumor was demonstrated using MRI and UBM. Two of the three cases resolved after treatment for orbital pseudotumor.
  
  
  CONCLUSIONS
  Idiopathic orbital pseudotumor is a cause of secondary angle-closure glaucoma. The mechanism of angle closure is anterior rotation of the ciliary body secondary to choroidal effusions resulting from the orbital inflammation.
authors.affiliation: Wills Eye Hospital, Philadelphia, Pennsylvania 19107, USA.
authors.forename: C R
authors.initials: CR
authors.lastname: Bernardino
authors.forename: R S
authors.initials: RS
authors.lastname: Davidson
authors.forename: M
authors.initials: M
authors.lastname: Maus
authors.forename: G L
authors.initials: GL
authors.lastname: Spaeth
mesh_terms: D000328:Adult; D000368:Aged; D000867:Anterior Chamber / Q000000981:diagnostic imaging / Q000473:pathology; D002924:Ciliary Body / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D015812:Glaucoma, Angle-Closure / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D007429:Intraocular Pressure; D008279:Magnetic Resonance Imaging; D008297:Male; D016727:Orbital Pseudotumor / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology; D012189:Retrospective Studies; D014102:Torsion Abnormality; D014463:Ultrasonography; D014603:Uveal Diseases / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology