title: Spectral domain optical coherence tomography in type 2 idiopathic perifoveal telangiectasia.
abstract: OBJECTIVE
  To compare images acquired by Stratus time domain optical coherence tomography (OCT) (Carl Zeiss Meditec, Dublin, CA) and Cirrus spectral domain OCT (Carl Zeiss Meditec) in cases of bilateral type 2 idiopathic perifoveal telangiectasia.
  
  
  METHODS
  Twenty-three eyes of 12 patients with type 2 idiopathic perifoveal telangiectasia were examined on the same day with both OCT systems.
  
  
  RESULTS
  Foveal cystoid spaces were detected in more eyes by Cirrus than Stratus OCT (19 of 23 vs 13 of 23). Disruptions of the inner segment/outer segment photoreceptor line were detected with both systems but were only quantified on Cirrus images. Thinning of central foveal thickness was established by both, but only Cirrus OCT measured outer retinal thinning on the temporal compared to the nasal side of the fovea.
  
  
  CONCLUSIONS
  Spectral domain OCT could become a new noninvasive tool for facilitating early diagnosis of type 2 idiopathic perifoveal telangiectasia and for following its evolution and the effects of any treatments.
authors.affiliation: Service d'Ophtalmologie, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris 7-Denis Diderot, Paris, France.
authors.forename: Valérie
authors.initials: V
authors.lastname: Krivosic
authors.forename: Ramin
authors.initials: R
authors.lastname: Tadayoni
authors.forename: Pascale
authors.initials: P
authors.lastname: Massin
authors.forename: Ali
authors.initials: A
authors.lastname: Erginay
authors.forename: Alain
authors.initials: A
authors.lastname: Gaudric
mesh_terms: D005451:Fluorescein Angiography; D006801:Humans; D009887:Ophthalmoscopy; D011446:Prospective Studies; D012164:Retinal Diseases / Q000145:classification / Q000175:diagnosis*; D012171:Retinal Vessels / Q000473:pathology*; D013684:Telangiectasis / Q000145:classification / Q000175:diagnosis*; D041623:Tomography, Optical Coherence / Q000379:methods*