Technique of using Cionni-modified capsular tension ring in the management of severely traumatic lens subluxation  

作　　者：Hao Jiang Wei Zhang Yan-Hua Chu 

机构地区：[1]Tianjin Eye Hospital,Tianjin Key Lab of Ophthalmology and Visual Science,Tianjin Eye Institute,Clinical College of Ophthalmology Tianjin Medical University,Tianjin 300020,China

出　　处：《International Journal of Ophthalmology(English edition)》2023年第7期1078-1083,共6页国际眼科杂志（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.82070968);China Postdoctoral Science Foundation(No.2022M712386);Tianjin Health Research Project(No.TJWJ2022MS040,No.ZC20166);Nankai University Eye Institute(No.NKYKK202203,No.NKYKK202206);Tianjin Eye Hospital Research Project(No.YKYB1902);Natural Science Foundation of Tianjin(No.20JCQNJC01860);Tianjin Key Medical Discipine(Specialty)Construction Project(No.TJYXZDXK-016A)。

摘　　要：AIM:To investigate the effect of Cionni-modified capsular tension ring(CTR)implantation in patients with severely traumatic subluxated cataracts.METHODS:All patients who totally had traumatic cataracts and lost zonule support and underwent cataract surgery were retrospectively analyzed.Corrected distance visual acuity(CDVA),extent of zonulysis,intraocular lens(IOL)position,intraoperative presentation,and complications were assessed.The primary outcomes included IOL centration stability and other postoperative complications.RESULTS:Twenty patients(20 eyes)were included in this study.The mean age in this study was 58.0±11.3y,and the average follow-up time was 17.3±12.8mo.Capsule bags were saved by Cionni-modified CTR.Nine eyes(45%)underwent simultaneously anterior vitrectomy due to the presence of vitreous in the anterior chamber.The preoperative mean CDVA was 0.83±0.24 log MAR,and the postoperative average CDVA was 0.23±0.30 log MAR(P<0.05).The horizontal and vertical IOL decentration after surgery was 0.27±0.12 mm and 0.41±0.19 mm,respectively;the vertical and horizontal IOL tilt after surgery was 5.5°±2.5°and 6.1°±2.2°,respectively.None of the eyes had obvious IOL decentration during the follow-up time.Eight eyes(40%)had posterior capsule opacification(PCO)that was severe enough to cause poor vision.Neodymium:YAG laser capsulotomy were performed on these eyes when the CTR was stabilized.CONCLUSION:With the help of Cionni-modified CTR,capsular bag preservation and better IOL concentration can be achieved without major complications in patients with severely traumatic subluxated cataracts.

关 键 词：Cionni-modified capsular tension ring subluxated traumatic cataracts surgical technique intraocular lens decentration intraocular lens tilt 

分 类 号：R779.6[医药卫生—眼科]