目的:评估飞秒激光角膜内环植入术治疗圆锥角膜的临床疗效和安全性。方法:确诊为三期圆锥角膜、最佳戴镜矫正视力低于0.5的患者22例,年龄22～69岁,平均年龄(43.3±10.6)岁。角膜内环隧道用飞秒激光(femtosecond laser,Intralase)制作。患者手术前、后的检查包括裸眼、最佳戴镜矫正视力、小瞳及散瞳验光、超声角膜厚度测量和角膜地形图。结果:随访3 Objective: To evaluate the clinical efficacy and safety of femtosecond laser intracorneal implantation for keratoconus. Methods: Twenty-two patients were diagnosed as three-stage keratoconus with the best corrected visual acuity of less than 0.5. The average age was 43.3 ± 10.6 years. Intracorneal tunnels were made using femtosecond laser (Intralase). Patients before and after the examination, including the naked eye, the best wearing glasses corrected visual acuity, pupil and mydriasis optometry, corneal thickness measurement and corneal topography. Results: Follow up 3