准分子激光原位角膜磨削术治疗复性近视散光的临床分析

Clinical analysis of laser in situ keratomileusis for compound myopic astigmatism

目的探讨准分子激光原位角膜磨削术（LASIK）治疗复性近视散光的疗效。方法采用LASIK对68例（116眼）复性近视散光进行治疗。根据散光度大小分为两组：Ⅰ组（-2．25--3．00D）和Ⅱ组（-3．25--6．00D）。观察手术前后的视力和屈光度。结果I组术后平均散光度从术前（-2．51±0．68）D下降为（-0．51±0．25）D；Ⅱ组术后的平均散光度从术前（-3．85±0．46）D下降为（-0．52±0．22）D。术后12个月时两组残留散光度无明显差别。两组术后的平均裸眼视力均好于术前矫正视力。结论LASIK治疗复性近视散光安全、有效。

Objective To evaluate the curative effect of LASIK for correcting compound myopic astigmatism. Methods One hundred and sixteen eyes in 68 patients with compound myopic astigmatism had been corrected with LASIK. All patients were followed up for more than 12 months. Meanwhile,all eyes were divided into two groups according to the preoperative astigmatism ： group Ⅰ （ - 2.25 - - 3.00D）, group Ⅱ （ - 3.25 - - 6. 00D）. Results In group Ⅰ ：the average refractive cylinder was （ -2. 51 ±0. 68）D preoperation,and had the average of （ -0. 51 ± 0. 25 ） D residual astegmatism postoporation. In group 11 ： the average refractive cylinder was （ - 3.85 ±0. 46） D preoperation, and had the average of （ -0. 52 ± 0. 22） D residual astigmatism postoperation. There was no statistical difference in astigmatism between the two groups after 12 months. In group Ⅰ and Ⅱ the visual acuity after operation was better than the corrected visual acuity before operation. Conclusion For compound myopic astigmatism LASIK was safe and effective.