title: Atypical retinitis pigmentosa masquerading as primary open angle glaucoma.
abstract: OBJECTIVE
  This study was conducted to describe a case of atypical retinitis pigmentosa initially diagnosed with primary open angle glaucoma.
  
  
  METHODS
  Complete ophthalmologic examination, visual field examination, electroretinogram, and Heidelberg Retinal Tomograph were performed.
  
  
  RESULTS
  Visual field examination showed arcuate defects extending to large temporal defects OU. Electroretinogram showed significant abnormalities with reduced b wave amplitudes and prolonged implicit times. Heidelberg Retinal Tomograph revealed a small central cup with no neuroretinal rim thinning or nerve fiber layer dropout OU.
  
  
  CONCLUSIONS
  The present report suggests that visual field defects atypical for glaucoma should be carefully scrutinized for other etiologies.
authors.affiliation: Department of Ophthalmology, Taipei City Hospital, Ho-Ping Branch, Taipei, Taiwan. jclin54@yahoo.com.tw
authors.forename: Jen-Chieh
authors.initials: JC
authors.lastname: Lin
authors.forename: James F
authors.initials: JF
authors.lastname: Vander
authors.forename: Melanie
authors.initials: M
authors.lastname: Martin
authors.forename: L Jay
authors.initials: LJ
authors.lastname: Katz
mesh_terms: D003937:Diagnosis, Differential; D004596:Electroretinography; D005902:Glaucoma, Open-Angle / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012174:Retinitis Pigmentosa / Q000175:diagnosis*; D014786:Vision Disorders / Q000175:diagnosis*; D014794:Visual Fields