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用托里克透镜对角膜背面纹的统计纠正策略的评估:一个矢量分析

Achim Langenbucher¹, Peter Hoffmann, Alan Cayless

¹From the Department of Experimental Ophthalmology, Saarland University, Homburg/Saar, Germany (Langenbucher, Wendelstein); Augen- und Laserklinik Castrop-Rauxel, Castrop-Rauxel, Germany (Hoffmann); School of Physical Sciences, The Open University, Milton Keynes, United Kingdom (Cayless); Department of Ophthalmology, Kepler University Hospital and Johannes Kepler University Linz, Austria (Wendelstein); Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Aniridia Research, Saarland University, Homburg/Saar, Germany (Szentmáry); Department of Ophthalmology, Semmelweis-University, Budapest, Hungary (Szentmáry).

Journal of cataract and refractive surgery

|November 28, 2023

概括

这项研究比较了在托里克眼内镜片植入后预测的与实际的折射性形. 四个模型的准确性各不相同,Abulafia-Koch方法过度纠正了.

科学领域:

眼科医生眼科眼科
角质生物力学角质生物力学
折射手术是一种折射手术.

背景情况:

准确预测手术后的折射性白症对于成功的眼内镜片 (tIOL) 植入至关重要.
后角膜白症 (BSA) 对总折射性白症的贡献往往被低估.
经验式的BSA校正公式在临床有效性上有所不同.

研究的目的:

为了比较实际的手术后折射性纹症与四种不同的经验BSA校正模型的预测.
用测量后角膜功率来评估这些模型的准确性.

主要方法:

对211只接受TIOL植入 (Hoya Vivinex) 的眼睛进行了回顾性分析.
使用IOLMaster 700 (IOLM) 或Casia2 (CASIA) 设备获得了角膜和角膜功率测量.
分析了预测和实际折射之间的差异,以评估BSA效应和模型性能.

主要成果:

一般来说,BSA引入了违反规则的 (ATR) 白症.
阿布拉菲亚-科赫模型过度纠正了ATR,而戈金,拉胡德和卡斯特罗普模型略微不足道纠正了它.
与IOLMaster 700相比,Casia2测量显示的预测误差略小.

结论:

目前的经验BSA校正模型在预测术后折射性白症方面显示出可变的准确性.
阿布拉菲亚-科赫方法高估了ATR校正,而其他模型倾向于低估它.
来自Casia2等设备的断层测量可能会为BSA提供更好的预测准确性.

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