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囊袋张力环在晶状体脱位超声乳化折叠人工晶状体植入术中的应用
引用本文:洪荣照,陈燕,吴护平,陈珊娜.囊袋张力环在晶状体脱位超声乳化折叠人工晶状体植入术中的应用[J].国际眼科杂志,2003,3(2):27-29.
作者姓名:洪荣照  陈燕  吴护平  陈珊娜
作者单位:361001,中国厦门眼科中心
摘    要:目的 利用囊袋张力环(CTR)在脱位晶状体超声乳化术中固定囊袋减少术前、术中、术后并发症,便于囊袋内折叠人工晶状体植入提高视力。方法 不同原因所致晶状体不全脱位患者共13例(15眼),年龄5—73岁,在进行连续环形撕囊及水分离/皮质吸出后,自环形撕囊口将开放型CTR植入晶状体囊袋赤道部使脱位的囊袋充分扩张复位、固定。超声乳化晶状体核抽吸皮质,植入折叠人工晶状体。结果 13眼CTR植入囊袋内,2眼部分脱出囊袋外。12眼IOL位于囊袋内,2眼植入睫状沟,1眼襻一端位于囊内一端位于囊外。术中玻璃体少量脱出3眼(术前因外伤前房玻璃体疝,继发性青光眼)联合前节玻璃体切除术。术后人工晶状体正位13眼,轻度偏位2眼。术后裸眼视力≥0.8者5眼,裸眼及矫正视力≥0.5者5眼.裸眼及矫正视力≥0.2~0.4者3眼,0.1以下2眼(均并发有眼底疾病)。术后观察3~24月,1例marfan综合征2眼囊袋略向上移位,无1例出现囊袋收缩综合征。结论 CTR作为白内障手术的辅助工具在脱位晶状体手术中有保持囊袋的完整性及正常生理位置,减少近期并发症。

关 键 词:囊袋张力环  脱位晶状体  超声乳化  人工晶状体植入术
修稿时间:2002年11月10

Capsular tension ring in phacoemulsification and foldable IOL implantation for treatment of luxated lens
Jiong-Zhao Hong,Yan Chen,Hu-Ping Wu,Snan-Na Cheng. Eye Center of Xiamen,Xiamen ,Fujian Province,China.Capsular tension ring in phacoemulsification and foldable IOL implantation for treatment of luxated lens[J].International Journal of Ophthalmology,2003,3(2):27-29.
Authors:Jiong-Zhao Hong  Yan Chen  Hu-Ping Wu  Snan-Na Cheng Eye Center of Xiamen  Xiamen  Fujian Province  China
Institution:Jiong-Zhao Hong,Yan Chen,Hu-Ping Wu,Snan-Na Cheng. Eye Center of Xiamen,Xiamen 361001,Fujian Province,China
Abstract:Aim To use capsular tension ring (CTR) to fix the capsular bag in phacoemulsificationof luxated lens so as to reduce pre-operative, intraoperative and postoperative complications and to facilitate the implantation of foldable IOL. Methods On 13 cases (15 eyes) of lens subluxation from different causes, ranging in age from 5 to 72 years, after continuous circular capsulorhexis and hydrodis-section /cortex aspiration, open CTR was placed in the equator of the lens capsule to expand, replace and fix the capsule. Then, lens nucleus was phacoemulsified, cortex was aspired and foldable intraocular lens was implanted. Results CTR was fixed in the capsule in 13 eyes and partly extruded out of the capsule in 2 eyes. IOL was implanted in the capsule in 12 eyes, in ciliary furrow in 2 eyes and fixed in the capsule with 1 end and out of capsule with another end in 1 eye. Intraoperatively, there were 3 mild vitreous prolapses, which were treated by vitrectomy. Postoperatively, IOL was in the right position in 13 eyes and was slightly deviated in 2 eyes. Postop-eratively, naked vision was 0.8 or better in 5 eyes, naked or corrected vision was 0.5 or better in 5 eyes and was below 0.1 in 2 eyes ( both complicated with fundal diseases). During a follow-up of 3 to 24 months, in 1 case (2 eyes) of Marian's Syndrome, the capsules were found to move slightly superiorly; there was no case of capsular contraction syndrome. Conclusion As an adjunctive device in surgeries for luxated lens, CTR can maintain the completeness and normal position of the capsule and reduce the occurrence of intraoperative and postoperative complications.
Keywords:cpsular tension ring  luxation of lens  phacoemulsification  implantation of artificial lens
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