Journal article
Quantitative analysis of retinal vessel attenuation in eyes with retinitis pigmentosa
Y Ma, R Kawasaki, LP Dobson, JB Ruddle, LS Kearns, TY Wong, DA Mackey
Investigative Ophthalmology and Visual Science | ASSOC RESEARCH VISION OPHTHALMOLOGY INC | Published : 2012
DOI: 10.1167/iovs.11-8596
Abstract
PURPOSE. Retinal vessel attenuation is a key finding in the diagnosis of retinitis pigmentosa (RP), but there have been no studies to determine whether quantitative measurement of this retinal sign is useful. We aimed to investigate retinal vessel caliber and its relationship with the severity of RP. METHODS. This is a cross-sectional study based on 74 patients (145 eyes) with RP who had visual field assessment with Goldmann permeter and good-quality retinal images for vessel size measurements identified by retrospective medial chart review (1973-2007) in the electrophysiology clinic of a tertiary eye hospital in Australia. Retinal vessel calibers were measured using a computer-based program..
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Funding Acknowledgements
Supported by the Peggy and Leslie Cranbourne Foundation and the Pfizer Australia Senior Research Fellowship (DAM). The Centre for Eye Research Australia receives Operational Infrastructure Support from the Victorian government.