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Abstract #12030 Published in IGR 7-1
Ultrahigh-resolution optical coherence tomography in glaucoma
Wollstein G; Paunescu LA; Ko TH; Fujimoto JG; Kowalevicz A; Hartl I; Beaton S; Ishikawa H; Mattox C; Singh OOphthalmology 2005; 112: 229-237
OBJECTIVE: Optical coherence tomography (OCT) has been shown to be a valuable tool in glaucoma assessment. We investigated a new ultrahigh-resolution OCT (UHR-OCT) imaging system in glaucoma patients and compared the findings with those obtained by conventional-resolution OCT. DESIGN: Retrospective comparative case series. PARTICIPANTS: A normal subject and 4 glaucoma patients representing various stages of glaucomatous damage. TESTING: All participants were scanned with StratusOCT (axial resolution of approximately 10 μm) and UHR-OCT (axial resolution of approximately 3 μm) at the same visit. MAIN OUTCOME MEASURE: Comparison of OCT findings detected with StratusOCT and UHR-OCT. RESULTS: Ultrahigh-resolution OCT provides a detailed cross-sectional view of the scanned retinal area that allows differentiation between retinal layers. These UHR images were markedly better than those obtained by the conventional-resolution OCT. CONCLUSIONS: Ultrahigh-resolution OCT provides high-resolution images of the ocular posterior segment, which improves the ability to detect retinal abnormalities due to glaucoma.
Dr. G. Wollstein, New England Eye Center, Tufts-New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA
Classification:
6.9.2 Optical coherence tomography (Part of: 6 Clinical examination methods > 6.9 Computerized image analysis)
