title: Retinal oxygen saturation levels in patients with central retinal vein occlusion.
abstract: OBJECTIVE
  To validate the efficacy of Fourier transform-based spectral retinal imaging (SRI) in quantifying retinal ischemia.
  
  
  METHODS
  Prospective, observational case series.
  
  
  METHODS
  Eleven eyes of 10 patients with central retinal vein occlusion (CRVO) and 4 fellow unaffected eyes of selected patients were examined by both fluorescein angiography and SRI. The fluorescein angiograms were correlated with oxygen saturation maps that were calculated from the SRI.
  
  
  RESULTS
  Oxygen saturation levels in the fundus were shown as color grading in 35 degrees fundus images processed by SRI. This grading correlated well with the severity of CRVO, as estimated by fluorescein angiography.
  
  
  CONCLUSIONS
  The severity of circulatory disturbances in CRVO may be graded by applying SRI.
authors.affiliation: Department of Ophthalmology, Saitama Medical School, Moroyama, Saitama, Japan.
authors.forename: Shin
authors.initials: S
authors.lastname: Yoneya
authors.forename: Tamiya
authors.initials: T
authors.lastname: Saito
authors.forename: Yoko
authors.initials: Y
authors.lastname: Nishiyama
authors.forename: Tatsuya
authors.initials: T
authors.lastname: Deguchi
authors.forename: Masayuki
authors.initials: M
authors.lastname: Takasu
authors.forename: Tamir
authors.initials: T
authors.lastname: Gil
authors.forename: Eli
authors.initials: E
authors.lastname: Horn
mesh_terms: D001783:Blood Flow Velocity; D005451:Fluorescein Angiography; D005583:Fourier Analysis; D006801:Humans; D007091:Image Processing, Computer-Assisted; D007368:Interferometry; D007511:Ischemia / Q000175:diagnosis / Q000503:physiopathology*; D008027:Light; D010100:Oxygen / Q000097:blood*; D011446:Prospective Studies; D012039:Regional Blood Flow; D012170:Retinal Vein Occlusion / Q000175:diagnosis / Q000503:physiopathology*; D012171:Retinal Vessels / Q000503:physiopathology*
chemical_list: D010100:Oxygen