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目的对111眼屈光范围球镜在－3．00D～－17．00D及柱镜在－0．50D～－4.50D范围的患者进行了PRK术后的分析。方法采用美国VISX20／20B准分子激光系统的最新软件包进行角膜切削，并行术前术后的主客观验光及角膜透明度检查。结果与结论准分子激光PRK术是目前理想的屈光手术之一，特别对于中低度近视尤为适合。对高度近视则其预见性稳定性较差。并发症的发生并未成为影响术后效果的主要因素。
Objective To analyze the postoperative PRK in 111 eyes with refractive range spherical scope from -3.00D to -17.00D and cylinder range from -0.50D to -4.50D. Methods The latest package of VISX20 / 20B excimer laser system was used for corneal cutting. The subjective and objective optometry and corneal transparency were performed before and after operation. Results and Conclusion Excimer laser PRK is one of the most ideal refractive surgery, especially for low to moderate myopia. The high degree of myopia is less predictable stability. The incidence of complications has not become a major factor affecting postoperative outcomes.