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PURPOSE: To examine the presence of supraciliochoroidal fluid (SCF) by ultrasound biomicroscopy in post-trabeculectomy eyes that show good intraocular pressure (IOP) control despite the absence of an obvious filtering bleb. PATIENTS AND METHODS: Eyes were selected retrospectively according to the following criteria: IOP < 15 mmHg, no antiglaucoma medication, no filtering bleb or a flattened bleb without microcystic spaces, and no ophthalmoscopic choroidal detachment after trabeculectomy with mitomycin C. The SCF was examined using 50-MHz ultrasound biomicroscopy (Zeiss-Humphrey). RESULTS: Ultrasound biomicroscopy detected SCF in five (63%) of eight eyes that met the study criteria. The extent of SCF in two of the eyes was four quadrants and one or two quadrants in three eyes. CONCLUSIONS: The presence of SCF may explain increased uveoscleral outflow and may represent an IOP-lowering mechanism after trabeculectomy with mitomycin C, especially when IOP control is good and no filtering bleb is obvious.
12.8.11 Complications, endophthalmitis (Part of: 12 Surgical treatment > 12.8 Filtering surgery)