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AIM: To determine the effect of phacoemulsification and intraocular lens (IOL) implantation for angle closure glaucoma previously treated by laser iridotomy. METHODS: Thirty-nine patients (39 eyes) with angle closure glaucoma previously treated by laser iridotomy and cataract were divided into two groups according need for anti-glaucoma medications for controlling intraocular pressure (IOP) or not. All the patients underwent phacoemulsification and foldable IOL implantation and were followed up 3 months postoperatively. RESULTS: The best-corrected visual acuity (BCVA) of both groups improved significantly (P < 0.05). The post-operative IOP of group I at 3 months was 15.72 ± 3.02 mmHg, and that of group II was 16.30 ±3.81 mmHg. The IOP of both group decreased significantly (P< 0.05). The central anterior chamber depth of group I was deepened from 1.64 ± 0.45mm preoperatively to 3.21 ±0.41 mm at 3 months postoperatively, group II was deepened from 1.92 ±0.52 mm preoperatively to 3.18 ±0.39 mm at 3 months postoperatively. The postoperative central anterior chamber depth of both groups increased significantly (P< 0.05). Anterior chamber angle was much wider postoperatively. CONCLUSION: Phacoemulsification and IOL implantation was effective for angle closure glaucoma previously treated by laser iridotomy, and can improve visual acuity and completely relieve the pupillary block of angle closure glaucoma.
Dr. Q. Ma, Union Hospital, Tongji Medical College, Hua Zhong University of Science and Technology, Wuhan 430022 Hubei Province, China. maqun632@sina.com
12.2 Laser iridotomy (Part of: 12 Surgical treatment)
12.14.3 Phacoemulsification (Part of: 12 Surgical treatment > 12.14 Combined cataract extraction and glaucoma surgery)