准份子激光屈光性角膜切削术（photorefractive keratectomy，PRK）：我国屈光性角膜手术起步较晚，仅10余年的汗青，但出发点较高。
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光屈光性角膜切削术 photo refractive keratectomy
称为屈光性角膜切削术 photorefractlve keratectomy ; PRK
激光屈光性角膜切削术 photo refractive keratectomy
屈光性角膜表面切削术 Photorefractive Keratectomy ; PRK
目的探讨准分子激光屈光性角膜切削术（PRK）后角膜表面形态和屈光力变化。
ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).
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.
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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