The increase of the epithelial thickness showed correlation with spherical equivalent.
术后屈光状态变化与上皮厚度的增减有关。
No statistic difference was found in refractive status, i. e. spherical, cylindrical and spherical equivalent degree among three groups;
屈光状态，即球镜度数、柱镜度数、等效球镜三组差异无统计学意义；
The spherical equivalent refraction was significantly in positive correlation with the lower-order, total higher-order, 3rd and 5th order wavefront aberrations.
球镜度数与低阶像差、总体高阶像差、第3，5阶像差均存在明显的正相关。
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