目的： 评价准分子激光屈光性角膜切削术治疗放射状角膜切开术后残余近视散光的预测性、稳定性和安全性。

Objective:To evaluate the predictability, stability and safety of excimer laser photorefractive keratectomy (PRK) for correcting the residual myopia and astigmatism after keratotomy (RK).

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方法：对102例186只高度近视眼行多区准分子激光屈光性角膜切削术并随访6个月。

Method: 186 eyes of 102 patients with high myopia were performed by MZPRK and the follow-up period was 6 months.

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目的：观察准分子激光治疗性角膜切削术(PTK)对角膜浅层病变的疗效。

Objective: to investigate the treatment of corneal superficial diseases with photo therapeutic keratectomy (PTK).

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