title: Validation of Concentric Rings Method as a Topographic Measure of Retinal Nonperfusion in Ultra-widefield Fluorescein Angiography.
authors.affiliation: Bonn, Germany.
authors.forename: Akio
authors.initials: A
authors.lastname: Oishi
authors.affiliation: Bonn, Germany.
authors.forename: Frank G
authors.initials: FG
authors.lastname: Holz
mesh_terms: D005260:Female; D005451:Fluorescein Angiography / Q000379:methods*; D006801:Humans; D008297:Male; D012160:Retina / Q000473:pathology*; D012170:Retinal Vein Occlusion / Q000175:diagnosis*