As the outermost layer of the cornea, the epithelium has different functions, including the creation of a smooth and regular surface by changing its thickness profile or epithelial remodeling or reconstruction of the epithelial pattern.1 It is important to consider changes in the epithelial thickness profile before corneal refractive surgery. Original photorefractive keratectomy (PRK) ablation profile calculations assumed the epithelium would not change after PRK and would reconstruct with a uniform thickness.2 However, it became clear that epithelial hyperplasia after surgery was partly

中文翻译：

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近视光度数角膜切除术后角膜上皮厚度图

作为角膜的最外层，上皮具有不同的功能，包括通过改变其厚度分布或上皮重塑或重建上皮模式来创建光滑而规则的表面。1重要的是要考虑上皮厚度分布的变化。角膜屈光手术前。最初的光折射角膜切除术（PRK）消融轮廓计算假设PRK后上皮不会改变，并且会以均匀的厚度重建。2但是，很明显，手术后上皮增生的部分原因是