准分子激光原位角膜磨镶术治疗低中高度近视  

Excimer laser in situ keratomileusis for correction of myopia

作　　者：张斌 刘培生 汪子瑛 王东初 

机构地区：[1]解放军空军汉口医院眼科,武汉430012

出　　处：《眼科新进展》2000年第2期129-131,共3页Recent Advances in Ophthalmology

摘　　要：目的　评价准分子激光原位角膜磨镶术 (excimer laser in situ keratom ileusis,L ASIK)治疗低中高度近视的效果。方法　用法国产 Moria板层角膜切割系统和美国 PDIScan- 195型准分子激光扫描切削仪对术前屈光度 (球镜等量 )平均为 - 8.6 8D± 3.84D(-2 .0 0～ - 2 3.0 0 D)的 81例 (15 6眼 )行 L ASIK,随访 6 mo以上。按屈光度分为 A(≤ - 6 .0 0 D47眼 )、B(- 6 .2 5～ - 10 .0 0 D6 5眼 )及 C(>- 10 .0 0 D44眼 ) 3组。术前平均屈光度 3组分别为 - 4.32 D± 1.0 6 D、- 8.0 6 D± 1.12 D和 - 14.2 6 D± 2 .96 D,术前平均裸眼视力分别为 0 .16± 0 .0 8、0 .10± 0 .0 6和 0 .0 8± 0 .0 5 ,平均矫正视力分别为 0 .98± 0 .18、0 .93± 0 .14和 0 .6 4±0 .2 2。结果　术后裸眼视力及屈光度约在 1～ 3mo趋于稳定。术后 6 mo平均裸眼视力 3组分别为 1.0 2± 0 .16、0 .94± 0 .17和 0 .6 7± 0 .2 1,均大于术前平均矫正视力。平均屈光度分别为- 0 .31D± 0 .33D、- 0 .32 D± 0 .5 6 D和 - 0 .71D± 1.2 2 D,其中在± 1.0 0 D以内者分别占10 0 %、93.85 %和 88.6 4% .结论　 L ASIK可安全有效地适用于低中高度近视的治疗 ,但必须重视角膜瓣并发症的预防和处理。Objective To evaluate the clinical effects of 193nm excimer laser in situ keratomileusis (LASIK) for the correction of mild,moderate and high myopia.Methods A PDI Scan 195 excimer laser and Moria LSK were used to treat myopia.156 eyes of 81 cases who received LASIK were divided into three groups: the first group of 47 eyes(-2.00^-6 00D),the second group of 65 eyes(-6.25～-10.00D),the third group of 44 eyes(-10.25^-23.00D),The mean preoperative diopters was -4.32D±1.06D,-8.06D±1.12D and -14.26D±2.96D.The mean preoperative UCVA was 0.16±0.08,0.10±0.06 and 0.08±0.05.The mean preoperative BCVA was 0.98±0.18,0.93±0.14 and 0.64±0.22.The follow up was 6 months or longer and the results were statisitically analyzed.Results The UCVA and refraction tended to be normal 1~3 months after operations.6 months after surgeries, the mean UCVA was 1 02±0.16,0.94±0.17 and 0.67±0.21;the mean residual refraction was -0.31D±0.33D,-0 32D±0 56D and -0.71D±1.22D.The refraction of 100%,93.85% and 88 64% of eyes of 3 groups was in the ranges of ±1.00D.Conclusion These date show that LASIK is an effective and safe refractive surgery for treatment of myopia in the range of -2.00^-23.00D.But the complications of corneal cap must be considered.

关 键 词：准分子激光 角膜磨镶术 近视 LASIK 

分 类 号：R778.110.5[医药卫生—眼科] R779.63[医药卫生—临床医学]