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目的 :评价准分子激光原位角膜磨镶术治疗近视的效果。方法 :用自动板层角膜刀和VISXSTARS2型准分子激光仪对 35 5例 6 93只眼行LasiK手术 ,术后随访半年以上 ,在分析屈光度变化时将患者分为三组。Ⅰ组 ( 1.0 0～ 6 .0 0D)2 6 3只眼 ,Ⅱ组 ( 6 .2 5～ 11.75D) 371只眼 ,Ⅲ组 ( 12 .0 0～ 2 6 .0 0D) 5 9只眼。结果 :6 93只眼术后 1周有 99.1%裸眼视力达到术前最佳矫正视力 ,术后 3个月及 6个月分别为 98.0 %及 96 .8%裸眼视力达到术前最佳矫正视力 ,在术后屈光度分析中可见高度及超高度近视 3个月后有回退现象。术中术后未发生严重并发症。结论 :LasiK治疗近视安全有效。
Objective: To evaluate the effect of laser in situ keratomileusis on myopia. Methods: 355 patients (693 eyes) underwent LasiK operation with automatic lamellar keratome and VISXSTARS2 excimer laser. The patients were followed up for more than six months. The patients were divided into three groups according to the change of diopter. There were 263 eyes of group Ⅰ (1.0 0 ~ 6 .0 0D), 371 eyes of group Ⅱ (6.52 ~ 11.75D), and 59 eyes of group Ⅲ (12.0 ~ 26.0 0D) . Results: Six hundred and ninety-three eyes had 99.1% uncorrected visual acuity before surgery, and the best corrected visual acuity was achieved at 98.0% and 96.8% at 3 months and 6 months after operation respectively , In postoperative refraction analysis can be seen in height and super-high myopia 3 months after the regression phenomenon. No serious postoperative complications occurred. Conclusion: LasiK is safe and effective in the treatment of myopia.