摘要
目的探讨角膜塑型术（Orthokeratology,简称为Ortho-K镜）,矫正近视的长期疗效及其控制近视发展的效果。方法配戴Ortho-K镜6年后的青少年近视患者,8例16眼,男3例,女5例。平均年龄18岁±3.14岁（17～22）岁,配戴前裸眼视力0.28±0.272（0.06～0.5）,平均屈光度（-5.01±4.32）D,观察期（5～7）年,平均观察期（6.5±1.81）年。配戴前后进行视力、屈光度、眼轴、眼压等临床指标的系统检测。结果裸眼视力由配戴前的0.28±0.272上升到0.71±0.581,P〈0.001,有非常显著性差异。屈光度由配戴前的-5.01±4.32D降低到-2.13±3.62D,P〈0.001,有非常显著性差异。眼轴由配戴前的（25.83±2.81）mm到（26.28±1.65）mm,P〉0.1,差异无统计学意义。眼压由（15.74±4.92）mmHg降低到（10.45±3.10）mmHg,P〈0.001,有非常显著性差异。戴镜期间有7眼发生角膜浅层点状侵润,经治疗后痊愈。tBUT为9.44±13.24s,低于正常水平,但患者没有干眼症状。结论长期配戴Ortho-K镜具有一定的矫正近视及控制近视发展的效果。
Objective To assess the long-term effect of myopia correction with Ortho-K lenses, and to understand the effects associated with Ortho-K for controlling myopia development. Methods 16 eyes of 8 adolescent myopia patients who had worn Ortho-K lenses for over 6 years were studied.Age ranged from 17 to 22 years; the average age was （18 ± 3.14） years. The mean refraction was （-5.01 ± 4.32）D.Vision, refraction, axial length and intraocular pressure were measured before and after Ortho-K wear.The mean time period was （6.75 ± 0.90）years. Results Before Ortho-K wear,mean uncorrected visual acuity was 0.28 ± 0.272, after Ortho-K wear it was 0.71 ± 0.581, and the difference was significant（ P〈0.001）.Before ortho-K wear, mean refraction was （-5.01 ± 4.32）D, after Ortho-K wear it was -2.13 ± 3.62D, and the difference was significant（ P 〈0.001）. The mean axial length was（25.83 ± 2.81）mm and （26.28 ± 1.65）mm before and after Ortho-K wear, respectively, and the difference has no significance（P〈0.1）. The mean intraocular pressure was（15.64 ± 4.14） mmHg and （10.89 ± 3.22）mmHg before and after Ortho-K wear, respectively, and the difference was significant（P〈0.001）. Spotty corneal infiltration which occurred in 7 eyes while wearing Ortho-K lenses can been cured.The tBUT was 9.44 ± 13.24s after Ortho-K wear, lower than the nomal level, but the wearer all have no dry symptom. Conclusion Ortho-K lense has good effects on myopia correction, and also can control myopia development to a certain degree.
出处
《中国实用眼科杂志》
CSCD
北大核心
2007年第4期408-410,共3页
Chinese Journal of Practical Ophthalmology
关键词
近视
角膜塑型术
眼轴
myopia
Orthokeratology
ocular axis
