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目的评估准分子激光原位角膜磨镶术（LASIK）治疗中低度近视的安全性、有效性、稳定性及预测性。方法采用SCMD气动式角膜切割刀及SCHWINDKERATOM－F型准分子激光系统，对中低度近视（等值球镜-2．00D～6．00D，平均－4．61±0．98D）41例74只眼行LASIK手术，术后随访观察6个月以上。结果术后自觉症状轻微，无角膜雾状混浊及眼压升高。术后第1天即可获良好的裸眼视力，屈光度在术后1个月基本趋于稳定。术后6个月裸眼视力≥1．0者达94．6％，屈光度在±1．00D以内的达89．2％．在±0．50D以内的达62．2％，所有术眼的矫正视力均≥1．0。结论LASIK对于治疗中低度近视有很好的疗效，无明显并发症，对于远期结果尚需进一步观察。
Objective To evaluate the safety, efficacy, stability and predictive ability of laser in situ keratomileusis (LASIK) for the treatment of low and middle myopia. Methods 41 cases of moderate and low myopia (spherical -2.00D ~ 6.00D, average -4.61 ± 0.98D) with SCMD pneumatic corneal cutting knife and SCHWINDKERATOM-F excimer laser system Only eye LASIK surgery, postoperative follow-up observation of more than 6 months. Results Postoperative symptoms were mild, no corneal haze and intraocular pressure increased. The first day after surgery can get good uncorrected visual acuity, refraction in one month after surgery basically stabilized. Six months after operation, the uncorrected visual acuity ≥1.0 reached 94.6%, and the refraction within ± 1.00D reached 89.2%. Within ± 0.50D up to 62.2%, corrected visual acuity of all eyes ≥ 1.0. Conclusion LASIK has a good curative effect for the treatment of low and middle myopia with no obvious complication. The long-term results need to be further observed.