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目的 评价准分子激光角膜原位磨镶术（ Ｌ Ａ Ｓ Ｉ Ｋ） 治疗中、高度近视的效果和安全性。方法 对２２ 例（４１ 眼） 中、高度近视行 Ｌ Ａ Ｓ Ｉ Ｋ 手术，其屈光度（ 等值球镜） － ２ ．５０ Ｄ～－ １０ ．００ Ｄ，平均－ ６ ．５７ ±２ ．０１ Ｄ，散光≤－ ３ ．５０ Ｄ，术后１ 、３ 个月复查视力、屈 光度、角膜地形图、角膜上皮及角膜层间混浊（ Ｈａｚｅ） 等并发症情况。结果 术后１ 月平均裸眼视力１ ．０２ ±０ ．０９８ ，其中≥１ ．０ 者达６５ ．８５ ％ ，矫正视力≥１ ．０ 者达９７ ．６ ％ ；术后３ 月平均裸眼视力１ ．０８ ±０ ．１３ ，其中≥１ ．０ 者占８５ ．３６ ％ ，矫正视力≥１ ．０者占９７ ．６ ％ ；实际矫正屈光度与预期矫正屈光度相差在±１ ．０ Ｄ 者占７８ ．１ ％ ，矫正视力≥１ ．０ 者占１００ ％ 。实际矫正屈光度与预期矫正屈光度相差在±１ ．０ Ｄ 者１ 个月时３１ 眼（７６ ％ ） ，３ 个月时３３ 眼（８０ ．５ ％ ） ，相差１ ．２５ Ｄ～±２ ．０ Ｄ１ 个月时１０ 眼（２４ ％ ） ，３个月时８ 眼（１９ ．５ ％ ） 。结论 准分子激光角膜原位磨镶术（ Ｌ Ａ Ｓ Ｉ Ｋ） 矫正中，高度近视安全、可靠、预测性高，是目前最有前景的屈?
Objective To evaluate the efficacy and safety of laser in situ keratomileusis (LASIK) in the treatment of high myopia. Methods Twenty-two patients (41 eyes) with high myopia underwent LASIK surgery. The refraction (equivalent sphere) -2. 50 D ~ - 10. 00 D, on average - 6. 57 ± 2. 01 D, astigmatism ≤ - 3. 50 D, 1-3 months after the review of visual acuity, refraction, corneal topography, corneal epithelial and corneal haze (Haze) and other complications. Results 1 month after surgery, the average naked eye vision 1. 02 ± 0. 098, where ≥1. 0 up to 65. 85%, corrected visual acuity ≥1. 0 up to 97. 6%; average visual acuity after 3 months 1. 08 ± 0. 13, where ≥1. 0 accounted for 85. 36%, corrected visual acuity ≥1. 0 who accounted for 97. 6%; the actual correction of refraction and the expected correction of diopter difference of ± 1. 0 D accounted for 78. 1%, corrected visual acuity ≥ 1. 0 accounted for 100%. The actual correction of diopter and the expected correction of diopter difference of ± 1. There were 31 eyes (76%) at 1 month and 33 eyes (80.5%) at 3 months, a difference of 1. 25 D ~ ± 2. There were 10 eyes (24%) at D1 months and 8 eyes (19.5%) at 3 months. Conclusion LASIK correction of middle and high myopia is safe, reliable and predictive and is the most promising one at present.