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在VRF-G公式中的生物识别因素用于IOL功率计算

Oleksiy V Voytsekhivskyy¹, Amit Biran², Asaf Achiron²

¹Department of Corneal Pathology, Ophthalmic Oncology and Oculoplasty, Kyiv Clinical Ophthalmology Hospital Eye Microsurgery Center, Kyiv, Ukraine.

Clinical ophthalmology (Auckland, N.Z.)

|August 7, 2025

概括

忽略前腔深度 (ACD) 显著影响眼内透镜 (IOL) 功率计算,特别是在较短的眼睛. 使用VRF-G公式,轴长 (LT) 和白至白 (WTW) 距离的影响较小.

科学领域:

眼科医生眼科眼科
生物医学工程生物医学工程
光学工程是指光学工程.

背景情况:

白内障手术需要精确的眼内透镜 (IOL) 功率计算,以获得最佳的视觉结果.
IOL功率计算的准确性取决于各种生物识别变量.
VRF-G公式是IOL功率计算的现代方法.

研究的目的:

为了确定可选参数在IOL功率计算中的个人贡献.
使用VRF-G公式评估遗漏特定生物识别变量 (ACD,LT,WTW) 的影响.

主要方法:

分析了501个接受白内障手术的眼睛,使用AcrySof IQ SN60WF IOLs.
通过单独或组合地省略前腔深 (ACD),轴长 (LT) 和白至白 (WTW) 距离,进行了IOL功率重新计算.
测量了各种遗漏场景之间的IOL功率计算的差异.

主要成果:

除了单独的WTW,省略了任何生物识别变量,显著改变了IOL功率计算 (0.029-0.108二光).
遗漏的ACD有最实质性的影响,导致更大的功率计算差异 (0.177-0.248二光).
较短的眼睛对ACD遗漏表现出更大的敏感性.

结论:

前腔深度 (ACD) 是准确的IOL功率计算的关键参数,特别是在轴长较短的眼睛中.
轴长 (LT) 和白至白 (WTW) 距离在使用VRF-G公式计算IOL功率时似乎不那么重要.

关键词:

在 IOL 电源中使用 IOL 电源.这就是VRF公式.轴长的轴长是指轴的长度.计算计算计算的计算方法配方配方配方公式

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