【摘要】 目的:研究儿童配戴RGP镜片后角膜敏感性的变化。方法:采用问卷的形式收集基本信息,应用Cochet and Bonnet aesthesiometer测量67例134眼角膜敏感性,按照不同分组进行比较分析。结果:儿童戴镜1～12mo组,戴镜1～5a组中央部和下方角膜敏感性明显下降(中央P=0.000,下方P=0.002),而2组之间的差异无显著意义(中央P=0.997,下方P=0.056)。儿童戴镜1～5a组颞侧,鼻侧,上方角膜敏感性明显下降(颞侧P=0.000,鼻侧P=0.000,上方P=0.001),戴镜1～5a组与戴镜1～12mo组(颞侧P=0.133,鼻侧P=0.125,上方P=0.205),未戴镜组与戴镜1～12mo组(颞侧P=0.06,鼻侧P=0.200,上方P=0.207),差异均无显著意义。儿童与成年人分别配戴RGP镜片1～12mo和1～5a,中央角膜敏感性无显著差异(1～12moP=0.343,1～5aP=0.105)。结论:RGP镜片对于儿童和成人的中央角膜敏感性的影响是相似的。但由于儿童自身的特点,为儿童验配RGP仍应慎重。更多还原

【Abstract】 AIM:To evaluate corneal sensitivity variation of children after wearing RGP contact lens and to study the relationship between change of corneal sensation and wearing period. METHODS:A total of 67 subjects (134 eyes) were recruited. Questionnaire:age,types of contact lens,wearing periods,daily wearing time,disease associated with change of corneal sensitivity,complaint for wearing contact lens; Slit-lamp biomicroscopy examination:evaluate the fitting,examine cornea,conjunctiva; Corneal sensitivity measurement:measure corneal sensitivity at central,temporal,nasal,superior and inferior corneal location with Cochet and Bonnet aesthesiometer 10 minutes after removing contact lens. Analysis:The subjects were firstly divided into two groups:control group and experimental group. These two groups were further subgrouped on the basis of age,wearing period. The main statistic soft ware SPSS11.0 was used. RESULTS:Variation in corneal sensation of children after wearing RGP lens:(1)central and inferior location:corneal sensitivity significantly decreased within one year wear and one to five years wear(central P=0.000,inferior P=0.002); No significant difference was between these two groups (central P =0.997,inferior P=0.056). (2) nasal,temporal and superior:corneal sensitivity significantly decreased for one to five years wear(temporal P=0.000,nasal P=0.000,superior P=0.001); wearing contact lens for less than one year just slightly affected corneal sensation ( temporal P=0.06,nasal P=0.200,superior P=0.207. There was no significant difference between children and adult for central corneal sensitivity change after wearing RGP lens(1-12 months P =0.343,1-5 years P =0.105). CONCLUSION:RGP lens wear produce a similar type of corneal sensitivity loss for children and adult. Be more careful of fitting RGP for children更多还原