准分子激光角膜原位磨镶术治疗近视的手术预测性分析  

Analysis of predictability of excimer laser in situ keratomileusis for myopia correction

作　　者：廖荣丰[1] 张晓苹[1] 陈璐[1] 夏卫东[1] 陈逖[1] 

机构地区：[1]安徽医科大学第一附属医院眼科,合肥230022

出　　处：《安徽医科大学学报》2001年第2期119-121,共3页Acta Universitatis Medicinalis Anhui

摘　　要：目的　探讨准分子激光角膜原位磨镶术 (Lasik)对不同屈光度近视的治疗效果及手术预测性。方法　应用Co herent公司的SchwindKeratomF型准分子激光机和SCMD公司的可调式气动微型角膜刀治疗近视眼 ,术后 1周、1个月、3个月、6个月定期复查视力、裂隙灯、角膜地形图及屈光度。将随访 6个月以上资料完整的 146例 2 83只眼根据术前屈光度分为 3组。比较 3组术后的屈光度及角膜偏中心切削的情况。结果　术后 6个月 ,Ⅰ、Ⅱ、Ⅲ组屈光度在±1 0 0以内者分别占 91 2 %、83 9%、6 1 4% ,差异有显著性。偏中心切削的发生率随着术前屈光度的增加而增加 ,但差异无显著性。结论　准分子激光角膜原位磨镶术治疗近视效果确切、可靠 。Objective To study the therapeutic effect and the predictability of excimer laser in situ keratomileusis (Lasik) for different degree of myopia. Methods Myopia was treated with excimer laser machine of Schwind Keratom F and SCMD microkeratome. Patients were followed up for 1 week, 1 month, 3 months, 6 months postoperatively. 283 eyes (146 cases ) followed up over 6 months were divided into three groups according to the degree of refraction. The postoperative refraction and optical ablation zone decentration of three groups were compared. Results In 6 months postoperatively, the refraction within ±1 00D of three groups was 91 2%, 83 9%, 61 4% respectively. The differences of three groups were statistically significant. Theincidence of op tical ablation zone decentration increased in the groups of higher degree of myopia, but the differences were not statistically significant. Conclusion Lasik is an effective and reliable method for correcting myopia. But the accuracy of predictability of this operation decreases with the increasing of myopic refraction.

关 键 词：角膜切除术 光折射 准分子激光 近视 

分 类 号：R778.11[医药卫生—眼科] R779.6[医药卫生—临床医学]