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The authors treated seven eyes of chronic angle closure glaucoma by goniosynechialysis combined with cataract surgery, followed later by laser gonioplasty. An ultrasound biomicroscope (UBM) was used to evaluate the angle opening distance (AOD). After goniosynechialysis with cataract surgery, AOD 250 μm (AOD 250) was the same as before surgery, but AOD 500 showed significant increases. It appeared that goniosynechialysis with cataract surgery induced widening of the chamber angle, but the peripheral chamber angle remained narrow. Following consequent laser gonioplasty, AOD 250 increased significantly, while AOD 500 remained unchanged. These findings show that laser gonioplasty is effective in widening the peripheral chamber angle and may prevent reformation of goniosynechia.
Dr. M. Haruta, Department of Ophthalmology/Visual Science, Kyoto University Graduate School of Medicine, 54 Kawahara-cho Shogoin Sakyo-ku, Kyoto 606-8507; Japan
6.12 Ultrasonography and ultrasound biomicroscopy (Part of: 6 Clinical examination methods)
12.4 Laser trabeculoplasty and other laser treatment of the angle (Part of: 12 Surgical treatment)