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精制眼内透镜计算在法化和DMEK:比较三种方法

David Mingo-Botín^1,2, Pablo de-Arriba-Palomero¹, Oscar Gris²

¹From Cornea and Ocular Surface Unit, Ophthalmology Department, Ramón y Cajal University Hospital, Madrid, Spain.

Journal of refractive surgery (Thorofare, N.J. : 1995)

|December 10, 2025

概括

经过Descemet膜内皮角质塑性手术 (DMEK) 后,三种角质量调整方法改善了折射预测. 与标准公式相比,这些调整降低了高视度误差,Haigis-D显示了最小的误差,HaigisCombi在±1.00 D范围内实现了最高的精度.

科学领域:

眼科医生眼科眼科
角膜外科手术角膜外科手术
折射误差分析折射误差分析

背景情况:

德斯梅特膜内皮质角质整形 (DMEK) 是一种治疗内皮功能障碍的手术程序.
在DMEK后准确的折射结果对于患者满意度至关重要.
在DMEK后的断层图像变化可能会影响折射可预测性.

研究的目的:

在DMEK后识别导致折射转移的断层扫描变化.
为了比较三种新的角质量调整方法与传统的折射预测精度公式.

主要方法:

生物识别,地形和折射数据的回顾性分析,来自112只眼睛经历了法化和DMEK.
评估了四种角质量调整策略:传统的,背对前 (BF) 比率调整,HaigisCombi和Haigis-D (线性回归).
预测错误指标的计算,包括平均绝对错误 (MAE) 和中位数绝对错误 (MedAE).

主要成果:

在DMEK后观察到显著的断层学参数变化.
后侧角质量测量,球性,BF比率和心态测量与高视度结果相关.
这三种调整方法都减少了高视度预测误差;Haigis-D产生了最低的MAE/MedAE,HaigisCombi在±1.00D范围内具有最高的眼睛百分比.

结论:

与未经调整的公式相比,光学调整有效地减少了预测错误和DMEK后的超视力结果.
BF比率和线性角质测量调整表明,改善折射可预测性是有前途的.
建议通过前性研究进一步验证这些新的调整方法.

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