角膜切开术 meaning in Chinese

ceratotomy
keratomy
keratotomy

In rk , a very sharp hnife is used to cut slits in the cornea changing its shape
放射状角膜切开术使用锋利的刀在角膜上割开狭长的切口来改变其形状。
Radial keratotomy （ rk ） and photorefractive keratectomy （ prk ) are other refractive surgeries used to reshape the cornea
其他用于角膜重新塑形的外科手术还有放射状角膜切开术( rk )和光性折射角膜切削术（ prk ）。
The present study was to evaluate wheather radial keratotomy produces an alteration in contrast sensitivity by comparing this function in operated versus unoperated eyes
这项研究的目的在以比较手术眼与未手术眼之对比敏感度差异，来评估放射状角膜切开术对其所造成的影响。