Objective To find the causes of astigmatism after simple myopic surgery of PRK and LASIK and its variation.

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。

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Objective To find the causes of astigmatism after simple myopic surgery of PRK and LASIK and its variation.

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。

youdao