英语语法分析

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。