Zyoptix节约角膜个体化LASIK治疗近视的疗效分析  

Therapeutic effect of Zyoptix individualized LASIK of cornea saving for myopia

作　　者：赵瑞博 郭永红 孟永安 

机构地区：[1]西安古城眼科医院,中国陕西省西安市710014

出　　处：《国际眼科杂志》2010年第7期1390-1391,共2页International Eye Science

摘　　要：目的:观察博士伦Zyoptix节约角膜个体化LASIK治疗近视的临床效果,同时分析术后高阶像差的变化。方法:因角膜相对较薄不适宜接受常规LASIK手术,而采用Zyoptix节约角膜个体化LASIK治疗的患者32例64眼,分析节约角膜的程度、术后1a余视力的恢复和6mm瞳孔直径下高阶像差的变化。结果:手术平均节约角膜组织29.27μm,节约组织达21.36%;术后1a余,裸眼视力为0.93±0.24,较术前裸眼视力显著提高(P<0.01),与术前最佳矫正视力0.96±0.09相似,比较无统计学差异;81%的眼裸眼视力≥术前最佳矫正视力,无1眼最佳矫正视力下降。在6mm瞳孔直径下,总体高阶像差、三阶彗差、四阶球差较术前分别增大1.76倍、2.10倍、3.90倍,与常规LASIK术相似。结论:Zyoptix节约角膜个体化LASIK可以节约角膜组织20%～25%,扩大近视治疗度数范围,临床上有良好的安全性、有效性和预测性。AIM： To observe the Bausch ＆ Lomb Zyoptix individualized LASIK of cornea saving treatment for myopia, and analyze postoperative changes in higher- order aberrations. METHODS. Thirty-two patients 64 eyes with thin cornea myopia unsuitable for conventional LASlK surgery under- went the Zyoptix LASIK surgery. The degree of the cornea saved, the recovery of vision at 1 year and 6ram pupil diameters changes in higher-order aberrations were analyzed. RESULTS： The average saved corneal tissue was 29. 27μm （21.36%） ; 1 year after operation, uncorrected visual acuity was 0.93 ＋ 0.24, visual acuity was signifi- cantly improved compared with that of preoperative （P〈 0. 01 ）, and similar to the preoperative best-corrected visual acuity （0. 96± 0.09） ; 81% of cases have the better postoperative visual acuity than the preoperative best- corrected visual acuity, visual acuity was improved in all cases. At 6mm pupil diameter, the overall higher-order aberrations, third order coma and the fourth order spherical aberration were increased 1. 76 times, 2. 10 times, 3.90 times compared with that of the preoperative, similar to conventional LASIK surgery. CONCLUSION： Zyoptix individualized LASIK of cornea saving can save 20%-25% of the corneal tissue, expand the treatment scope of myopia, and have a good safety, efficacy and predictability in clinic.

关 键 词：准分子激光原位角膜磨镶术 近视 波阵面像差 高阶像差 

分 类 号：R779.63[医药卫生—眼科]