From the Department for Ophthalmology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Linz, Austria (Mursch-Edlmayr, Beka, Waser, Wendelstein, Podkowinski, Laubichler, Siska, Bolz); Medical University, Vienna, Austria (Pomberger); Center for Clinical Studies (CCS Linz), Johannes Kepler University, Linz, Austria (Hermann, Wagner); Institute of Applied Statistics, Johannes Kepler University, Austria; Medical Faculty, Johannes Kepler University, Linz, Austria (Bolz).
J Cataract Refract Surg. 2021 May 1;47(5):606-611. doi: 10.1097/j.jcrs.0000000000000496.
To compare the lens tilt after apex-centered capsulotomy with standard pupil-centered capsulotomy.
Clinical practice.
Prospective, randomized, investigator-masked trial.
This prospective, randomized, investigator masked study included 40 patients with age-related cataract scheduled for femtosecond laser-assisted cataract surgery (FLACS) in both eyes. The main outcome was the tilt of the intraocular lens (IOL), measured with the IOLMaster 700.
The study enrolled 80 eyes of 40 patients. The mean distance from the center of the apex-centered capsulotomy to the pupil-centered capsulotomy was 175.8 ± 97.2 μm. The amount of IOL tilt was not significantly reduced with the new technique (P > .05). Tilt orientation was more stable in eyes treated with apex-centered capsulotomy.
Centration of the capsulotomy on the lens apex in FLACS does not influence the amount of IOL tilt but the orientation stability. The clinical importance of this finding has to be further elucidated.
比较顶点定位式截囊与标准瞳孔定位式截囊术后晶状体倾斜的情况。
临床实践。
前瞻性、随机、观察者设盲试验。
本前瞻性、随机、观察者设盲研究纳入 40 例年龄相关性白内障患者，拟在双眼行飞秒激光辅助白内障手术（FLACS）。主要观察指标是使用 IOLMaster700 测量的人工晶状体（IOL）倾斜度。
本研究共纳入 40 例患者的 80 只眼。顶点定位式截囊至瞳孔定位式截囊的中心距离的平均值为 175.8 ± 97.2 μm。新方法并未显著减少 IOL 倾斜度（P＞.05）。顶点定位式截囊术后，IOL 倾斜的方向更稳定。
FLACS 中晶状体顶点定位式截囊不会影响 IOL 倾斜度的大小，但会影响倾斜方向的稳定性。该发现的临床重要性尚需进一步阐明。
