This paper describes an excimer laser and its beam delivery system for corneal radial keratotomy.
介绍了用于角膜放射状切开手术的准分子激光器和光束投射系统。
In general, for correcting nearsightedness over 3 diopters, both LASIK and PRK are better than radial keratotomy (RK).
在一般情况下，对于纠正300度以上的近视来说，LASIK和PRK手术两者均优于RK（径向角膜切开术）手术。
Radial keratotomy without T-cutting was performed on 245 eyes of 124 patients with 6-8 months of post-operative follow-up.
对未加散光切口的放射状角膜切开术124例(245只眼)患者，进行术后6 ~8个月观察。
The laser surgery for vision correction that replaced radial keratotomy (e. g., lasik and other procedures) is not associated with visual disturbances at high altitudes.
取代前项技术，用以矫正视力的雷射手术与高海拔的视觉障碍并无直接关系。
Objective:To evaluate the predictability, stability and safety of excimer laser photorefractive keratectomy (PRK) for correcting the residual myopia and astigmatism after keratotomy (RK).
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).
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。
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