According to the primary aberration theory, the position of aspheric surface and the solution law of initial structure parameters were analyzed.
根据初级像差理论，分析了非球面的位置、初始结构参数的求解规律。
Maintaining smaller vertical primary coma and correcting spherical aberration completely for myopia and myopic astigmatism may be the best choice for customized cornea laser ablation surgery.
对欲行个体化角膜切削的近视及近视散光患者，保留较小的垂直彗差而完全矫正球差可能有助于视觉质量的提高。
For large primary coma aberration, interference fringe presents.
大的初级彗差使焦平面出现干涉条纹。
Results: Total higher order aberrations, spherical aberration, horizontal primary coma, and vertical primary coma, were increased significantly with increasing pupil size.
结果：总高阶相差、水平彗差、垂直彗差和球差均随瞳孔直径的增大而增大；
Results: Total higher order aberrations, spherical aberration, horizontal primary coma, and vertical primary coma, were increased significantly with increasing pupil size.
结果：总高阶相差、水平彗差、垂直彗差和球差均随瞳孔直径的增大而增大；
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