These patients underwent a standard eight - incision radial keratotomy procedure 我们所采取的手术为标准八刀切开方式。
2.
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 ） 。
3.
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。
4.
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。
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