The laser surgery for vision correction that replaced radialkeratotomy (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。
3
This paper describes an excimer laser and its beam delivery system for corneal radialkeratotomy.