研究了补偿球差和高阶散光的像差与角膜切削量的关系，即补偿球差和高阶散光的角膜切削模型。
A model for calculating ablation profile to precompensate for spherical aberration and the higher order astigmatism is presented.
在分析国内外人眼角膜的数学模型基础上，分析研究几种常见的准分子模型，提出一种新型的切削模型。
Based on related research results, combine the results and analyse some familiar excimer model, putting forward a new-style cutting model.
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