Title: Research on subfoveal choroidal thickness of the children with hyperopic refractive errors
Abstract:Objective To observe the subfoveal choroidal thickness of the children with hyperopic refractive errors.Methods A total of 92 cases (184 eyes) of the hyperopia group and 48 cases (96 eyes) of the norm...Objective To observe the subfoveal choroidal thickness of the children with hyperopic refractive errors.Methods A total of 92 cases (184 eyes) of the hyperopia group and 48 cases (96 eyes) of the normal group in the same age segment were scanned horizontally and vertically on the fovea by enhanced depth imaging spectral-domain optical coherence tomography (EDI-OCT),the value of subfoveal choroidal thickness were measured.Between hyperopia and normal group,the difference of the subfoveal choroidal thickness values was compared using t test of two independent samples.The average thickness of the eyes between the different types was compared using the paired-t-test.The average values of difference diopter group; amblyopia group and non-amblyopia group between the thickness of macular subfoveal choroidal and macular retina was compared using Univariat Analysis Of Variance (ANOVA).Changes in each group were assessed using LSD-t test.The relationship between subfoveal choroidal thickness and gender,age,logMAR BCVA,spherical equivalent,macular retinal thickness in the hyperopia group was compared using linear correlation analysis.P <0.05 was considered statistically significant.Results The average thickness of subfoveal choroidal of the hyperopia group was thicker than the normal group.The difference was statistically significant (t =-6.097,P <0.05).The average thickness of subfoveal choroidal of the right eyes,the left eyes,the man,the woman in the hyperopia group were all thicker than that in the normal group.The difference was statistically significant (t =3.638,5.184,4.647,5.235,P <0.05).The average subfoveal choroidal thickness of the hyperopia group was thicker than that in the normal group,whatever the right eyes or left eyes,between the male and the female.The difference was statistically significant (t =2.676,4.098,3.601,3.592,P <0.05).In the mild,moderate,severe hyperopia group,the subfoveal choroidal thickness was all thicker than the normal group,the difference was statistically significant (P <0.05).But it had no difference among the three groups (P >0.05).In the amblyopia group and non-amblyopia group the subfoveal choroidal thickness was all thicker than the normal group,the difference was statistically significant (P <0.05).But it had no difference among the three groups (P >0.05).In the hyperopia group,the sex,age,logMAR BCVA,equivalent spherical and the average macular retinal thickness had no significant correlation with the subfoveal choroidal thickness (r =0.143,-0.044,0.189,0.199,0.018,P >0.05).Conclusions EDI-OCT detect that the subfoveal choroidal thickness of the children with hyperopic refractive errors is thicker than the normal children with the same age.The mechanism of it needs to be explored further.
Key words:
Choroidal thickness; Refractive errors; Hyperopia; Macular/physiology; Optical coherence tomography; Enhanced depth imagingRead More
Publication Year: 2014
Publication Date: 2014-11-10
Language: en
Type: article
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