The clinical effect of Nd: YAG laser anterior capsulotomy for the treatment of capsular bag contraction syndrome

中华眼外伤职业眼病杂志 Pub Date : 2015-08-25 DOI:10.3760/CMA.J.ISSN.2095-1477.2015.08.002

Weihua Xu, Peiyan Hua, Yuqun Zhang

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Abstract

Objective To observe the clinical effect of Nd: YAG laser anterior capsulotomy for the treatment of capsular bag contraction syndrome(CCS) after intraocular lens implantation. Methods Eighty-five eyes of 85 cases of CCS were treated with Nd: YAG laser anterior capsulotomy. The minimum diameter of the anterior capsule opening, best corrected visual acuity(BCVA), corneal endothelial count and intraocular pressure (IOP) were observed 1 day preoperation and 1 week postoperation. The follow-up time was 6 months. Results The contractile ring of anterior capsule opening was opened and the contraction of capsule bag was released after Nd: YAG laser anterior capsulotomy. No serious complication was observed. The number of the eyes with BCVA≥0.3 was increased from preoperative 43 eyes to postoperative 52 eyes. The minimum diameter of the anterior capsule opening increased significantly, form (1.91±1.52)mm to (4.33±1.92)mm (t=7.45, P=0.00). No significant change in corneal endothelial cell counts after treatment was observed, (2304±202)/mm2vs (2281±234)/mm2 (t=1.03, P=0.15). IOP did not change significantly 1week postoperation compared to 1day preoperation, (15.53±4.34)mmHg vs (15.76±4.49) mmHg (t=0.62, P=0.27). No IOL shift was observed during 6 months follow-up. Conclusion Nd: YAG laser anterior capsulotomy is an effective treatment for CCS. No serious complication was observed after early surgical treatment. Key words: Cataract; Capsule contraction syndrome; Laser anterior capsulotomy; Intraocular pressure

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Nd: YAG激光前囊切开术治疗囊袋收缩综合征的临床疗效

目的观察Nd: YAG激光前囊切开术治疗人工晶状体植入术后囊袋收缩综合征的临床效果。方法采用Nd: YAG激光前囊切开术治疗85例CCS患者85只眼。观察术前1 d和术后1周前囊最小开口直径、最佳矫正视力(BCVA)、角膜内皮计数和眼压(IOP)。随访6个月。结果Nd: YAG激光前囊切开术后，前囊开口收缩环打开，囊袋收缩解除。无严重并发症。BCVA≥0.3眼由术前43眼增加到术后52眼。前囊开口最小直径由(1.91±1.52)mm增加至(4.33±1.92)mm (t=7.45, P=0.00)。治疗后角膜内皮细胞计数(2304±202)/mm2vs(2281±234)/mm2，差异无统计学意义(t=1.03, P=0.15)。术后1周与术前1天相比，IOP无明显变化(15.53±4.34)mmHg vs(15.76±4.49)mmHg (t=0.62, P=0.27)。随访6个月未见人工晶状体移位。结论Nd: YAG激光前囊切开术是治疗颈椎病的有效方法。早期手术治疗未见严重并发症。关键词:白内障;胶囊收缩综合征;激光前囊切开;眼内压

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