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首页> 外文期刊>Journal of cataract and refractive surgery >Rotational performance and corneal astigmatism correction during cataract surgery: Aspheric toric intraocular lens versus aspheric nontoric intraocular lens with opposite clear corneal incision
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Rotational performance and corneal astigmatism correction during cataract surgery: Aspheric toric intraocular lens versus aspheric nontoric intraocular lens with opposite clear corneal incision

机译：白内障手术期间的旋转性能和角膜散光矫正：非球面复曲面人工晶状体与非球面非复曲面人工晶状体，角膜切口相对

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Purpose To compare the astigmatism-reducing effect of an aspheric toric intraocular lens (IOL) and an aspheric nontoric IOL with an opposite clear corneal incision (OCCI) in cataract surgery. Setting Vienna Institute for Research in Ocular Surgery, Hanusch Hospital, Vienna, Austria. Design Prospective randomized clinical study. Methods Patients with low to moderate corneal astigmatism scheduled for cataract surgery received an aspheric toric IOL (Lentis L-312T) or an aspheric nontoric IOL (Lentis L-312) combined with an OCCI. Keratometry and corneal tomography were performed 1 hour, 1 week, 3 months and 9 months postoperatively. Postoperative residual astigmatism was measured using an autorefractor. Rotational toric IOL stability was analyzed using retroillumination photography. Results Fifty-five patients were included. Three months postoperatively, the mean reduction in corneal astigmatism was 0.67 diopter (D) ± 0.58 (SD) in the toric group and 0.18 ± 0.52 D in the nontoric-OCCI group. The mean uncorrected distance visual acuity was 0.29 ± 0.30 logMAR and 0.09 ± 0.18 logMAR, respectively (P=.02). The mean refractive astigmatism was 1.02 ± 0.54 D and 0.68 ± 0.52 D, respectively (P=.05). One hour, 3 months, and 9 months postoperatively, the mean absolute IOL misalignment of toric IOLs was 4.99 ± 4.66 degrees, 13.59 ± 11.29 degrees, and 19.90 ± 14.48 degrees, respectively. Conclusions The toric IOL tended to rotate significantly postoperatively. Visual acuity was good in both groups. Residual refractive cylinder was significantly lower in the toric IOL group. Financial Disclosure No author has a financial or proprietary interest in any material or method mentioned.
机译：目的比较白内障手术中非球面复曲面人工晶状体（IOL）和非球面非复曲面人工晶状体与相反的透明角膜切口（OCCI）的散光减少效果。奥地利维也纳哈努施医院的维也纳眼外科研究所。设计前瞻性随机临床研究。方法计划进行白内障手术的低至中度角膜散光患者接受非球面复曲面IOL（Lentis L-312T）或非球面非复曲面IOL（Lentis L-312）并结合OCCI。术后1小时，1周，3个月和9个月进行角膜测量和角膜层析成像。使用自动验光仪测量术后残留散光。旋转复曲面IOL稳定性使用逆光摄影进行了分析。结果纳入55例患者。术后三个月，复曲面组的平均角膜散光减少为0.67屈光度（D）±0.58（SD），非复曲面OCCI组为0.18±0.52D。平均未矫正距离视力分别为0.29±0.30 logMAR和0.09±0.18 logMAR（P = .02）。平均屈光散光分别为1.02±0.54 D和0.68±0.52 D（P = .05）。术后1小时，3个月和9个月，复曲面IOL的平均IOL绝对失准分别为4.99±4.66度，13.59±11.29度和19.90±14.48度。结论复曲面IOL术后明显旋转。两组的视力都很好。复曲面IOL组的残余屈光度明显降低。财务披露没有任何作者对所提及的任何材料或方法有财务或专有利益。

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