结论角膜散光是复性近视散光与单纯近视之间角膜形态差异的主要原因。
Conclusion corneal astigmatism was the main cause of differences of compound myopic astigmatism and simple myopic in corneal surface shape.
目的探讨prk与lasik治疗单纯性近视术后产生散光的原因及变化规律。
Objective To find the causes of astigmatism after simple myopic surgery of PRK and LASIK and its variation.
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