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基于OCT和射线追踪用于眼内透镜功率预测的O公式的准确性

Yosai Mori¹, So Goto², Naoyuki Maeda³

¹Miyata Eye Hospital, Kurahara 6-3, Miyakonojo, Miyazaki, 885-0051, Japan.

American journal of ophthalmology

|August 27, 2025

概括

在眼内透镜 (IOL) 功率计算中,O公式显示了高的折射精度,在不需要A-常数优化的情况下超过了当前的几种方法. 这使得它成为白内障手术的可靠选择.

科学领域:

眼科眼科
生物医学工程
光学计量学

背景情况:

眼内透镜 (IOL) 的功率计算对于在白内障手术后实现所需的折射结果至关重要.
现有公式的准确性各不相同,需要不断评估和开发新的预测模型.
射线追踪方法提供了一种复杂的光学建模方法,用于IOL计算.

研究的目的:

评估O公式的预测准确性,这是一个基于光线追踪的新方法.
将O公式的性能与ESCRS网站上可用的已建立的IOL功率计算公式进行比较.
评估O配方作为常规白内障手术的可靠工具.

主要方法:

用眼镜进行白内障手术的 325 个眼睛的回顾性分析.
将O公式与巴雷特通用II (BUII),检测光学2.0 (EVO),凯恩,珍珠DGS和SRK/T公式进行比较
使用扫源光学连贯断层扫描 (SS-OCT) 进行生物识别和前段测量,术后评估明显折射.

主要成果:

O公式实现了0.396 D的最小平方根绝对误差 (RMSAE).
与BUII,EVO,Kane和Pearl-DGS相比,O公式的绝对平均误差明显较低.
与Pearl-DGS相比,O配方导致眼睛在±0.50 D (78.7%) 和±1.00 D范围内的比例更高.

结论:

在IOL功率计算中,O公式表现出卓越的折射精度.
即使没有A-常数优化,它也能对广泛使用的公式进行优化.
O公式是一个强大的,安全的选项,不太容易出现重大预测错误 (> 1.0 D).

关键词:

一个公式眼内透镜功率的计算射线追踪绝对误差的平方根平均值扫源光学连贯断层扫描

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