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Abstract #26651 Published in IGR 12-3
Three-dimensional high-speed optical coherence tomography for diagnosis of hypotony maculopathy after glaucoma filtration surgery
Goodkin ML; Grewal DS; Greenfield DSJournal of Glaucoma 2010; 19: 349-355
See also comment(s) by Shan Lin •
Purpose: To describe the clinical findings of hypotony maculopathy using 3-dimensional (3D) topography maps reconstructed from spectral domain optical coherence tomography (SD-OCT) imaging, and compare SD-OCT with time domain OCT (TD-OCT) for hypotony maculopathy diagnosis. Methods: This was an observational noncomparative case series comprising 7 patients with hypotony maculopathy after trabeculectomy with mitomycin-C. All patients underwent consecutive imaging with TD-OCT (Stratus OCT) and SD-OCT using various high-resolution instruments. 3-D surface maps obtained using SD-OCT were compared with linear scans obtained using TD-OCT. Results: Two of 7 eyes had minimally detectable folds with TD-OCT imaging in the vertical axis. Five eyes did not show folds on TD-OCT. 3-D topographic maps using SD-OCT demonstrated advanced retinal and subretinal folds throughout the macular region in all 7 patients. All eyes (4 cases) with no topographically detectable folds using SD-OCT within the foveal avascular zone had visual acuity of 20/25 or better. Three eyes with obvious contour disruption within the foveal pit had visual acuity ranging from 20/30 to 20/70. Conclusions: SD-OCT using 3-D surface topography mapping provides greater sensitivity for hypotony maculopathy diagnosis and monitoring as compared with TD-OCT. Disruption of the foveal pit as detected using SD-OCT is associated with reduced visual acuity.
D. S. Greenfield. Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, 7101 Fairway Drive, Palm Beach Gardens, FL 33418, United States. dgreenfield@med.miami.edu
Classification:
12.8.11 Complications, endophthalmitis (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
6.9.2.2 Posterior (Part of: 6 Clinical examination methods > 6.9 Computerized image analysis > 6.9.2 Optical coherence tomography)
