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目的:探讨白内障超声乳化术中后囊破裂时残留晶体核的处理方法。方法:回顾性地研究18例(18眼)超声乳化术中后囊穿破时残留晶体核的处理结果。介绍低流量、低灌注、连续超声乳化法;注入高弹性粘弹性剂法;无灌注前段玻璃体切除(“干切”)等三种防止晶体核下沉的方法。随访12～24个月,平均18.2个月。结果:除1例特殊患者外,均未发生核下沉,且均一期植入后房型人工晶体。随访时视力达到0.5者有15眼(83.3％)。手术并发症主要是角膜水肿、黄斑囊样水肿等。结论:3种处理方法适应于不同类型的残留核的处理,且安全,可靠,并发症少,值得临床推广。眼科学报2000;16:106-108。
Objective: To investigate the treatment method of residual crystal nucleus in posterior capsule rupture during cataract phacoemulsification. Methods: Retrospective study of 18 cases (18 eyes) phacoemulsification of posterior capsule puncture residual nucleus processing results. Introduction of low-flow, low perfusion, continuous phacoemulsification; injection of high elastic viscoelastic agent method; without perfusion of the anterior vitrectomy (“dry cut”) and other three methods to prevent the crystal nuclei sink. Follow-up 12 to 24 months, an average of 18.2 months. Results: Except for one case of special patient, no nuclear subsidence occurred, and all posterior chamber intraocular lens implantation was performed. There were 15 eyes (83.3%) with visual acuity of 0.5 at follow-up. Surgical complications mainly corneal edema, cystoid macular edema and so on. Conclusion: The three treatment methods are suitable for the treatment of different types of residual nucleus, and they are safe, reliable and have fewer complications. They are worthy of clinical promotion. Journal of Ophthalmology 2000; 16: 106-108.