在需要近视目标的眼睛中,IOL功率计算的准确性
Francesco Biagini1, Kenneth J Hoffer2,3, David L Cooke4
1From San Martino Hospital, Genoa, Italy.
Journal of refractive surgery (Thorofare, N.J. : 1995)
|December 10, 2025
概括
较新的眼内透镜 (IOL) 功率计算公式对近视目标显示出很好的准确性. 较旧的公式,特别是Holladay 1,不太准确,不推用于这些情况下.
科学领域:
- 眼科医生 眼科 眼科
- 生物医学工程 生物医学工程
- 光学是什么?光学是什么?光学是什么?
背景情况:
- 精确的眼内镜 (IOL) 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.
- 有时,故意的近视目标用于管理特定的视觉需求或条件.
- 在这些特定场景中评估各种IOL功率计算公式的性能对于临床实践至关重要.
研究的目的:
- 为了比较几种现代和传统公式的准确性,以计算眼内透镜 (IOL) 功率,目标眼睛的近视度在-2.50和-3.00二光度之间.
- 评估基于植入的IOL模型的不同IOL计算公式的预测错误和准确度值.
主要方法:
- 一项回顾性研究,涉及患者接受了有计划的近视标的发光乳化.
- 使用较新的公式 (巴雷特通用II,库克K6,EVO 2.0,霍弗QST,凯恩) 和较旧的公式 (海吉斯,霍弗Q,Holladay1和2,SRK/T) 来计算IOL功率.
- 对预测误差 (PE) 的真实性,精度和准确性的比较,分析了用iSert255或SN60WF内科眼镜植入眼睛的PE值.
主要成果:
- 由于优化,公式之间没有发现真实性的显著差异.
- 在iSert 255组 (P < .05) 中,Holladay 1公式与较新的公式 (Cooke K6,EVO 2.0,Kane) 相比,其准确性较低.
- 在SN60WF组中,Holladay 1的准确性较低,而Barrett Universal II,EVO 2.0,Hoffer QST和Kane的准确性较低 (P < .005). 与Holladay 1 (58-69%) 相比,较新的配方实现了在0.50 D PE (77-85%) 范围内更高的眼睛百分比.
结论:
- 现代IOL功率计算公式对有故意近视目标的眼睛具有很好的准确性.
- 不建议使用较旧的配方,特别是Holladay 1配方,以达到近视目标眼的精确折射结果.
- 临床采用较新的配方可能会在需要近视结果的特定患者群体中改善折射可预测性.
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