The principle and method of astigmatismcorrection were analyzed in detail, and the initial parameter computing was programed.
具体分析了像差校正的原理和方法，编制了初始结构快速计算程序。
2
The central concern of astigmatism surgery lies in the preoperative measurement and subsequent surgical planning for its correction.
术前散光检测及散光矫正方案设计是该手术的核心内容。
3
The model not only can be applied to the correction of refractive errors such as myopia and astigmatism, but also can be used in wavefront guided laser refractive surgery.