advertisement
OBJECTIVES: To determine the use of high-frequency ultrasound biomicroscopy (UBM) in the assessment of hypotony, and in particular to determine the proportion of cases for which UBM contributed significant additional hitherto unaccessible information. PATIENTS AND METHODS: Ultrasound biomicroscopy was performed in a standard manner, using a Humphrey UBM 840 system (Humphrey Instruments, Inc., San Leandro, CA). UBM findings were analyzed and the clinical relevance of UBM information was determined for the whole collective. RESULTS: Twelve patients with hypotony were examined. UBM findings contributed essential information that allowed to reach a diagnosis or that determined the therapeutic attitude in ten of the 12 hypotonic patients. In two cases the cause of hypotony was tractional ciliary body detachment, in five cases it was post-inflammatory atrophy of the ciliary body, in three cases it was post-traumatic irido and cyclodialysis, in one case it was supraciliary and suprachoroidal effusion, and in the final case it was due to uveal effusion syndrome. Based on these findings the authors established a schematic approach for hypotony. CONCLUSIONS: This procedure enabled the authors to assess the morphological changes found in patients with hypotony. In a majority of cases UBM was useful either to orient therapeutic intervention or to establish a diagnosis. On the base of these findings, a schematic approach for hypotony, using UBM, was established. LA: French
Dr. V.T. Tran, Hopital Ophtalmique Jules Gonin, University of Lausanne, Lausanne, Switzerland
6.12 Ultrasonography and ultrasound biomicroscopy (Part of: 6 Clinical examination methods)
12.8.11 Complications, endophthalmitis (Part of: 12 Surgical treatment > 12.8 Filtering surgery)