山东大学耳鼻喉眼学报

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准分子激光上皮瓣下角膜磨镶术矫治高度近视

刘美光1,王传富1,陶祥臣2,牟国营2   

  1. 1. 青岛大学医学院附属医院眼科, 山东 青岛 266003;2. 济南市中心医院, 山东大学临床医学院眼科, 山东 济南 250013
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-10-24 发布日期:2007-10-24
  • 通讯作者: 刘美光

Laser-assisted subepithelial keratectomy for the correction of high myopia

LIU Mei-guang1, WANG Chuan-fu1,TAO Xiang-chen2, MU Guo-ying2   

  1. 1. Department of Ophthalmology, Affiliated Hospital of Medical College of Qingdao University;2. Department of Ophthalmology,Jinan Central Hospital, School of Clinical Medicine, Shandong University
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-10-24 Published:2007-10-24
  • Contact: LIU Mei-guang

摘要: 目的 评价准分子激光上皮瓣下角膜磨镶术(LASEK)矫治高度近视的疗效。方法 选取高度近视患者27例(54眼),术前近视等效球镜为-6.00~-14.00D,平均(-8.75±1.27)D。观察术后角膜上皮修复时间、术后视力、角膜上皮下雾状混浊(Haze)、角膜地形图及屈光度数,随访时间为6个月。结果 所有术眼术中及术后均无严重并发症发生。术后角膜上皮修复时间平均为(3.71±0.26)d。术后3d,裸眼视力≥0.5者48眼(88.9%),≥0.8者19眼(35.2%),术后7d,裸眼视力≥0.5者54眼(100.0%),≥0.8者47眼(87.0%),术后6个月,裸眼视力均达到或超过术前最佳矫正视力。术后1、3、6个月等效球镜均在-0.50~+0.50D之间,术后1、3、6个月角膜Haze发生率分别为13眼(24.1%)、7眼(13.0%)、2眼(3.7%),但均小于2级,不影响视力恢复。结论 LASEK治疗高度近视视力恢复好且稳定,无明显角膜上皮下雾状混浊及屈光回退。

关键词: 准分子激光上皮瓣下角膜磨镶术, 近视, 视力, 角膜上皮下雾状混浊

Abstract: Objective To investigate the effect of laserassisted subepithelial keratectomy(LASEK)for the correction of high myopia. Methods LASEK was performed on 54 eyes of 27 myopia patients. The preoperative mean spherical (MSE) was -6.00~-14.00D, average(-8.75±1.27)D. Postoperative uncorrected visual acuity(UCVA), refractive power, time of epithelial healing and corneal haze were all recorded. Patients were followedup for 6 months. Results No serious complications occurred. The epithelium was healed in a mean (3.71±0.26)d. 3 days after the operations, the UCVA≥0.5 was found in 88.9%(48/54) and ≥0.8 in 35.2% (19/54). 7 days after the operations, the UCVA≥0.5 was found in 100%(54/54) and ≥0.8 in 87.0% (47/54). 6 months after the operations the UCVA was equal with or better than the preoperative best corrected visual acuity (BCVA). 1, 3 and 6 months after the operations, corneal haze was found in 13 eyes(24.1%), 7 eyes(13.0%) and 2 eyes(3.7%)respectively but it was below grade 2 and had no effect on visual acuity. Conclusion LASEK is a safe, effective, stable and predictable surgery for myopia.

Key words: Laser-assisted subepithelial keratomileusis, Myopia, Visual acuity, Corneal haze

中图分类号: 

  • R778
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