| 摘要: |
| ［摘要］ 目的 观察分析角膜塑形镜对青少年近视调节各参数的影响及临床意义。方法 选取在视光门诊规范验配、随诊、配戴角膜塑形镜的8～16岁青少年近视患者31例(62眼)，其中男16例，女15例，平均等效球镜(-3.71±0.90)D。在配戴角膜塑形镜前后，应用综合验光仪对近视患者测定调节参数，包括正相对调节量、负相对调节量、调节幅度、调节反应（调节滞后量）及梯度性AC/A；对配戴前后的相关数据进行配对t检验。结果 配戴角膜塑形镜前后调节幅度(AMP)分别为(+7.94±1.44)D和(+7.06±1.19)D(t=7.94，P<0.05)；调节滞后量(FCC法)分别为（+0.90±0.21）D和(+0.15±0.26)D(t=13.79，P<0.05)；梯度性AC/A分别为(4.05±0.83)和(3.03±0.63)(t=8.07,P<0.05)。结论 青少年近视眼配戴角膜塑形镜后调节参数趋于正常，配戴后调节滞后量减少，AC/A值降低，患者的调节与集合的关系更加协调，为延缓近视的进展提供了一定依据。 |
| 关键词: 近视 角膜塑形镜 调节幅度 调节滞后量 梯度性AC/A |
| DOI：10.3969/j.issn.1674-3806.2017.01.05 |
| 分类号:R 77 |
| 基金项目:广西卫计委科研课题（编号：Z2011453）；广西医疗卫生重点科研课题（编号：重2012111） |
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| Effect of orthokeratology on accommodative parameters in juvenile myopia |
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LAN Fang-fang, ZHAO Wu-xiao, GAN Lu
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Department of Optometry, the People′s Hospital of Guangxi Zhuang Autonomous Region, Nanning 530021, China
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| Abstract: |
| ［Abstract］ Objective To study the effect and the clinical significance of orthokeratology on accommodative parameters in juvenile myopia.Methods Thirty-one teenager myopia patients(62 eyes) aged 8～16 years in our center were recruited in this study. Among these subjects there were 16 males and 15 females. The average spherical equivalent refraction was (-3.71±0.90)D. Before and after the patients were orthokeratology, their accommodative parameters were measured by phoropter, including positive and negative relative accommodation, accommodative amplitude(AMP), accommodative response(accommodative lag), and gradient AC/A. Paired t-testing was used to analyze the related data.Results Orthokeratology restored the accommodative parameters in teenager myopia patients. AMP reduced from (+7.94±1.44)D before wearing orthokeratology to (+7.06±1.19)D after wearing orthokeratology(t=7.94, P<0.05); Accommodative lag measured by FCC method reduced from (+0.90±0.21)D before wearing orthokeratology to (+0.15±0.26)D after wearing orthokeratology(t=13.79, P<0.05). Gradient AC/A reduced from (4.05±0.83) before wearing orthokeratology to (3.03±0.63) after wearing orthokeratology(t=8.07, P<0.05).Conclusion The accommodative parameters tend to be normal after wearing orthokeratology in teenager myopia patients, which makes the patients′ accommodation and convergence more harmonious delays the development of teenager myopia. |
| Key words: Myopia Orthokeratology Accommodative Amplitude Accommodative Lag Gradient AC/A |
