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目的评价小视野青光眼晚期显微小梁切除术的安全性和临床效果。方法自2005年5月起对小视野青光眼晚期实施复合小梁切除术24例(26眼),术前尽量控制眼压,于球周麻醉下进行显微手术,术中注意微创操作、避免眼压骤降,术后行视神经保护治疗,并进行疗效观察。结果24例(26眼)均顺利完成手术,术后眼压得到稳定控制,视力及视野得到有效保持,无严重并发症发生。结论复合小梁显微切除术是一种安全、有效的手术方法。为了挽救小视野青光眼的残余视功能,应尽早手术为宜。
Objective To evaluate the safety and clinical efficacy of late trabeculectomy in patients with small field glaucoma. Methods From May 2005 onwards, 24 cases (26 eyes) of composite trabeculectomy were treated with small trabeculectomy. The intraocular pressure was controlled before operation as well as the microsurgery under the ball-circumference anesthesia. Sudden drop in intraocular pressure and optic nerve protection after operation, and the curative effect was observed. Results Twenty-four patients (26 eyes) underwent surgery successfully. Intraocular pressure (IOP) was stabilized and the visual acuity and visual field were effectively maintained. No serious complications occurred. Conclusion Composite trabeculectomy is a safe and effective surgical method. In order to save the residual visual function of a small field of glaucoma, surgery should be appropriate as soon as possible.