[综述]
[综述]
高度近视合并白内障患者数量日益增长，复明性白内障手术逐渐向屈光性白内障手术转变，良好的术后视力是高度近视白内障患者术后的目标。由于眼轴长度测量误差、术后有效晶状体位置变化和人工晶状体(IOL)计算公式选择不当等因素，高度近视白内障术后屈光预测准确性欠佳，严重影响患者视觉质量和满意度。随着IOL计算公式的不断发展，SRK/T和Holladay1等薄晶状体会聚公式中眼轴长度、角膜曲率等不断优化，以Barrett Universal Ⅱ公式为代表的厚晶状体会聚公式应用逐渐广泛，基于人工智能的Hill-RBF公式、基于光线追踪的Olsen公式和OKULIX软件以及结合多种理论的Kane公式和EVO公式等新型IOL计算公式陆续问世，白内障术后屈光预测有了更多的选择和保障。本文总结不同种类IOL计算公式的优化与进展，为提高高度近视白内障患者IOL度数计算的准确性提供更多的选择。
As the number of cataract patients with high myopia increases, and the cataract surgery shifts from a rehabilitation procedure to a refractive procedure, achieving a good postoperative visual acuity has been the target of cataract patients with high myopia.Because of inaccurate axial length measurement, unpredictable effective lens position and improper selection of intraocular lens (IOL) calculation formulas, the precision of refractive prediction in cataract patients with high myopia remains low, which affects the visual acuity and satisfaction of patients.With the development of IOL calculation formulas, SRK/T, Holladay1 and other thin-lens vergence formulas have been modified in axial length, corneal curvature and other parameters, and the thick-lens vergence formulas such as Barrett Universal Ⅱ have been widely put into use.Meanwhile, new formulas including artificial intelligence-based formulas such as Hill-RBF, ray tracing formulas such as Olsen and OKULIX, and theoretical formulas such as Kane and EVO formulas have been developed.More choices and guarantees are available for refractive prediction after cataract surgery.This paper summarized the optimization and advance of different types of IOL calculation formulas so as to provide different available choices to improve the accuracy of IOL power calculation in cataract patients with high myopia.
张弛,叶子,李朝辉. 高度近视白内障患者人工晶状体计算公式的研究进展[J]. 中华实验眼科杂志,2022,40(05)：466-469.
DOI:10.3760/cma.j.cn115989-20200512-00341版权归中华医学会所有。
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