成人不同程度角膜散光对视网膜周边离焦的影响  

The effect of different degrees of corneal astigmatism on peripheral retinal defocus in adults

作　　者：李羽 汪思瑶 郭玉娟 周跃华 Li Yu;Wang Siyao;Guo Yujuan;Zhou Yuehua(Eye School of Chengdu University of TCM,Chengdu,Sichuan,610075;Ineye Hospital of Chengdu Univercity of TCM,Chengdu,Sichuan,610084;Ophthalmology Beijing Ming Vision,Beijing,China,110000)

机构地区：[1]成都中医药大学眼科学院,四川成都610075 [2]成都中医药大学附属银海眼科医院,四川成都610084 [3]北京茗视光眼科,北京110000

出　　处：《中医眼耳鼻喉杂志》2024年第3期142-145,共4页Journal of Chinese Ophthalmology and Otorhinolaryngology

摘　　要：目的探讨成人不同程度角膜散光对视网膜周边离焦(RDV)的影响。方法收集近视及顺规散光患者246例(仅左眼),按散光度数分为A组(0<CYL≤-1.50 D)、B组(-1.50<CYL≤-3.00D)和C组(CYL>-3.00D),测量眼部生物参数和视网膜各区域RDV,分析各组RDV的分布趋势及差异。结果三组的近视离焦均在20°内;RDV在水平径向大于垂直径向(P<0.05);各象限RDV的大小排序为:下<上<颞<鼻。Spearman分析显示,CYL与0°~53°的鼻侧RDV均呈正相关(均P<0.05);与0°~20°的颞侧RDV均呈负相关(均P<0.001);与30°~53°的颞侧RDV均呈正相关(均P<0.05)。结论视网膜周边离焦分布不对称,水平径向大于垂直径向;角膜散光对水平径向的周边离焦有影响。Objective To investigate the effect of different degrees of corneal astigmatism on retinal peripheral defocus(RDV)in adults.Methods 246 patients with myopia and with-the-rule astigmatism were selected.According to the degree of astigmatism,they were divided into Group A(0<CYL≤-1.50 D),Group B(-1.50<CYL≤-3.00 D),Group C(CYL>-3.00 D).All biological parameters of eyes and RDV in various ranges of retina were examined to analyze the distribution trend and differences of RDV in each group.Results The myopic defocus of all study subjects was in 20°eccentricity range,and the RDV of retina in the horizontal direction was larger than that in the vertical(P<0.05).Quadrant partition,the magnitude of RDV was ranked as follows:inferior<superior<temporal<nasal.Spearman analysis showed corneal astigmatism was positively correlated with nasal RDV in 0°-53°(all P<0.05),negatively correlated with temporal RDV in 0°-20°(all P<0.001),and positively correlated with temporal RDV in 30°-53°(all P<0.05).Conclusion The distribution of RDV was asymmetrical,with the horizontal is greater than the vertical.Corneal astigmatism have an effect on RDV in the horizontal direction.

关 键 词：角膜散光 视网膜周边离焦 屈光差异值 近视离焦 远视离焦 

分 类 号：R774[医药卫生—眼科]