近视眼屈光度与屈光参数相关性分析  被引量:5

Correlation analysis between myopic refraction and ocular components

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作  者:吴琴[1] 徐柏升[1] 顾扬顺[1] 

机构地区:[1]浙江大学医学院附属第一医院眼科,310003

出  处:《中国实用眼科杂志》2015年第1期42-45,共4页Chinese Journal of Practical Ophthalmology

摘  要:目的研究近视眼屈光度与各屈光参数的相关性。方法临床病例系列研究。对2010年9月至2013年1月在浙江大学医学院第一医院眼科选取近视患者533例(1018只眼),散瞳检影验光确定等效球镜屈光度(SpheficMequivMentrefraction,SEQ),采用角膜地形图仪测量角膜屈光度(K),眼部A与B超仪测量眼轴长度(AL)、前房深度(ACD)及晶状体厚度(LT),计算获得玻璃体腔深度(VCD)、眼前节长度(AnL)、晶状体厚度,眼轴长度比值(RLT/AL)和眼轴长度/角膜曲率半径比值(RAL/R),分析近视屈光度与各参数的相关性。结果近视眼AL与LT差异无统计学意义(偏相关系数,=O.028,P=0.364);SEQ与AL,ACD,LT,K,VCD,RAL/R和R删AL均差异有统计学意义(P〈0.01),其中与RAL/R,AL及VCD的相关系数最大(r=-0.815;r=-0.624;r=-0.619);不同近视程度间的ACD,LT及AnL差异无统计学意义(ANOVA:P=0.153;P=0.063;P=0.625),其余参数差异均有统计学意义(P〈0.01)。结论不同程度近视眼的主要区别在于眼后节参数的差异,而眼前节参数无显著的统计学差异。Objective To investigate the relationship between myopic refraction and ocular compo- nents. Methods Retinoscopy was performed in 533 myopic subjects (1018 eyes). K value was measured by corneal mapping, and A/B ultrasound scan to get AL, ACD and LT. VCD, AnL, RLT/AL and RAL/R were calculated. Results In myopia, AL was not associated with LT (r =0.028, P = 0.364); SEQ and AL, ACD, LT, K, VCD, RAL/R, RLT/AL were all significantly correlated (P 〈0.01), and better associated with RAL/R, Al and VCD (r =-0.815; -0.624; -0.619); ACD, LT and AnL were not statistically different between myopia groups (ANOVA: P =0.153; 0.063; 0.625), nonetheless, all the other parameter did (P 〈0.01). Conclusions Myopic severity can be featured by the significant difference of posterior segmoat measurement, the anterior segment is comparatively stable and statisti- cal insignificant.

关 键 词:近视眼 屈光参数 相关性 

分 类 号:R778.110.5[医药卫生—眼科]

 

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