一种新的散光轴位统计对比方法

A New Statistical Contrast Method for Astigmatic Axis

摘要: 临床上屈光不正患者，特别是对于高度散光患者来说，在散光矫正型框架及隐形眼镜适配、屈光角膜手术、散光矫正型人工晶体植入中关于散光的测量极为重要。散光包括两个重要参数：散光度及散光轴位。由于散光轴位具有矢量特性，目前临床上对于散光轴位多采用Thibos等提出的球、柱镜矢量化理论进行统计研究，但该理论计算方法复杂，必须依赖散光度进行散光轴位的分析，且计算结果不直观。针对以上问题，为定量分析散光轴位，本文提出半定量散光轴位分析法，一种能够将散光轴位数据简单转换后进行统计学量化分析的方法。

Abstract: In clinical refractive errors, especially in high astigmatism patients, astigmatism measurement is very important in astigmatism correction frame and contact lens adaptation, corneal refractive surgery and astigmatism correction intraocular lens implantation. Astigmatism includes two important parameters, astigmatism and astigmatism axis. Because of the particularity of astigmatism axis, the theory of spherical and cylindrical lens vectorization put forward by Thibos is widely used in clinical research. However, the calculation method of this theory is complex, and it must rely on astigmatism to analyze astigmatism axis. The calculation results are not intuitive. In order to solve the above problems, this paper introduces a method which can transform astigmatism axis simply and make accurate statistical quantitative analysis.