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An ultrasound biomicroscope (UBM) was used to measure changes in the trabecular/iris angle (TIA) in two patients from the time of acute angle-closure glaucoma onset to remission. Periodic measurements were made of four sides of the TIA (superior, inferior, temporal and nasal). Case 1 was an 88-year-old female with intraocular pressure (IOP) of 59 mmHg. Her TIA did not change with conservative therapy, but the TIA increased significantly and IOP decreased to 16 mmHg one hour after laser iridotomy (LI). Case 2 was a 70-year-old female with IOP of 62 mmHg. Her TIA increased significantly and IOP decreased to 12 mmHg with conservative therapy, and after LI, the TIA increased further. The opening in each side of the angle changed inconsistently during remission in both cases. The course of recovery from acute angle-closure glaucoma after treatment can be measured using UBM.LA: Japanese
Dr. N. Ishida, Ishida Eye Clinic, 2-6-17 Honcho, Joetsu 943-0832; Japan
6.12 Ultrasonography and ultrasound biomicroscopy (Part of: 6 Clinical examination methods)
9.3.1 Acute primary angle closure glaucoma (pupillary block) (Part of: 9 Clinical forms of glaucomas > 9.3 Primary angle closure glaucomas)