近视人群主导眼与非主导眼全眼、角膜前表面及眼内散光的差异  

Differences in refractive astigmatism,anterior corneal surface astigmatism and ocular residual astigmatism between dominant and non-dominant eyes in myopia

作　　者：张悦[1] 王雁[1] 徐路路[1] 邹昊翰 Zhang Yue;Wang Yan;Xu Lulu;Zou Haohan(Clinical College of Ophthalmology,Tianjin Medical University,Tianjin Eye Hospital,Tianjin Key Lab of Ophthalmology and Visual Science,Tianjin Eye Institute,Tianjin 300020,China)

机构地区：[1]天津医科大学眼科临床学院、天津市眼科医院、天津市眼科学与视觉科学重点实验室、天津市眼科研究所,天津300020

出　　处：《中华实验眼科杂志》2023年第3期271-275,共5页Chinese Journal Of Experimental Ophthalmology

基　　金：国家自然科学基金项目(81670884,81873684)。

摘　　要：目的探讨近视人群中主导眼与非主导眼全眼、角膜前表面及眼内散光的差异。方法采用横断面研究,纳入2018年1—3月于天津市眼科医院屈光手术中心拟接受角膜屈光手术治疗的近视患者138例276眼,采用卡洞法测定主导眼与非主导眼。分别采用显然验光、角膜地形图检查获得球镜度、等效球镜度、全眼及角膜前表面散光。采用矢量分析法将全眼散光及角膜前表面散光分解为J0和J45,并计算出眼内散光值。结果主导眼的分布以右眼居多,占61.6%(85/138)。主导眼与非主导眼球镜度和等效球镜度,全眼及角膜前表面散光值、J0、J45比较,差异均无统计学意义(均P>0.05)。主导眼眼内散光值为0.607(0.451,0.808)D,明显低于非主导眼的0.701(0.497,0.901)D,差异有统计学意义(Z=-2.52,P=0.01)。结论在主导眼与非主导眼球镜度和等效球镜度无明显差异的近视人群中,主导眼眼内散光明显低于非主导眼,低眼内散光可能是主导眼形成的主要原因之一。Objective To investigate the differences in refractive astigmatism,the anterior corneal surface astigmatism and ocular residual astigmatism between dominant and non-dominant eyes in myopia.Methods A corss-sectional study was conducted.Two hundred and seventy-six eyes from 138 patients with myopia who were to receive corneal refractive surgery in the Refractive Surgery Center of Tianjin Eye Hospital from January to March 2018 were included.Ocular dominance was assessed with the hole-in-the-card test.The manifest refraction and corneal topography were performed in order to measure the sphericity,spherical equivalent,the astigmatism of anterior corneal surface and total cornea.Vector analysis was used to calculate the value of the ocular residual astigmatism and the components of astigmatism,including J0 and J45 of both the refractive astigmatism and the astigmatism of anterior corneal surface.This study adhered to the Declaration of Helsinki.The study protocol was approved by the Ethics Committee of Tianjin Eye Hospital(No.201909).Results It was found that 61.6%(85/138)of the subjects was right-eye dominant.There was no significant difference in sphericity and spherical equivalent,J0 and J45 of the refractive astigmatism and the astigmatism of anterior corneal surface between dominant and non-dominant eyes(all at P>0.05).The magnitude of the ocular residual astigmatism of the dominant eye was 0.607(0.451,0.808)D,which was lower than 0.701(0.497,0.901)D of the non-dominant eye,showing a statistically significant difference(Z=-2.52,P=0.01).Conclusions In the myopic population with no significant difference in the sphericity and spherical equivalent between the dominant and non-dominant eyes,the magnitude of the ocular residual astigmatism of the dominant eye is significantly lower than that of the non-dominant eye,which may play an important role in the ocular dominance formation.

关 键 词：主导眼 近视 眼内散光 角膜前表面 全眼散光 矢量分析 

分 类 号：R778.11[医药卫生—眼科]