使用总角膜曲率计和光线追踪法计算既往接受过小切口透镜切除术的眼睛的人工晶状体度数——病例系列
Intraocular lens power calculation using total keratometry and ray tracing in eyes with previous small incision lenticule extraction - A case series.
作者信息
Lischke Roman, Wiltfang Rainer, Bechmann Martin, Kreutzer Thomas C, Priglinger Siegfried G, Dirisamer M, Luft Nikolaus
机构信息
University Eye Hospital, Ludwig-Maximilians-University, Munich, Germany.
Department of Ophthalmology and Optometry, Medical University of Innsbruck, Austria.
出版信息
Am J Ophthalmol Case Rep. 2024 Feb 29;34:102037. doi: 10.1016/j.ajoc.2024.102037. eCollection 2024 Jun.
PURPOSE
To assess the IOL power calculation accuracy in post-SMILE eyes using ray tracing and a range of total keratometry based IOL calculation formulae.
OBSERVATIONS
Ray tracing showed excellent predictability in IOL power calculation after SMILE and its accuracy was clinically comparable with the Barrett TK Universal II and Haigis TK formula.
CONCLUSIONS AND IMPORTANCE
Incorporating posterior corneal curvature measurements into IOL power calculation after SMILE seems prudent. The ray tracing method as well as selected TK-based formulae yielded excellent accuracy and should be favored in post-SMILE eyes.
目的
使用光线追踪和一系列基于角膜总曲率计的人工晶状体计算公式，评估小切口基质透镜切除术（SMILE）术后眼内人工晶状体（IOL）屈光力计算的准确性。
观察结果
光线追踪显示SMILE术后IOL屈光力计算具有出色的可预测性，其准确性在临床上与巴雷特TK通用II型公式和海吉斯TK公式相当。
结论及重要性
在SMILE术后的IOL屈光力计算中纳入后角膜曲率测量似乎是明智的。光线追踪方法以及选定的基于TK的公式具有出色的准确性，在SMILE术后的眼中应优先选用。
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