Abstract
ObJective To observe the changes of choroidal thickness under the central fovea in central serous chorioretinopathy(CSC)eyes using optical coherence tomography and discuss the relative influence factors in exudative retinal detachment.Methods The central fovea at 0°and 90°position was scanned by 8.8mm long scan lines and the choroidal thickness under the central fovea was measured in CSC eyes of patients and normal eyes of volunteers using Spectralis optical coherence tomography enhanced depth imaging(OCT EDI).Scans of 8.8×8.8mm areas at the central fovea were taken to measure the height of exudative retinal detachment,the width of basilar parts,and the volume of 6.0mm central fovea.The other eyes were also scanned to be compared.Using SPSS17.0 statistical software for processing data.All of the detection data are mean±standard deviation(x±s),using two independent samples t test to compare the differences between the case group and the control group and using the application of linear correlation to analysis the correlation.The difference was statistically significant when P＜0.05.Results We found the the increase of choroidal thickness in CSC eyes and normal eyes of patients.There were statistical significance when compared to normal eyes of volunteers(P =0.001,0.000).There was no significant relation to the average choroidal thickness under the central fovea,the width of basilar parts and the height at the areas of exudative retinal detachment,and the volume of 6.0mm central fovea(r =0.096,0.020,0.042,0.087; P =0.545,0.898,0.793,0.582).Conclusion the increase of choroidal thickness in CSC eyes was found using Spectralis OCT EDI,including the normal eyes of patients. Key words: Choroidal thickness; Measurement; Fovea/physiology; Tomography; Optical coherence; Enhanced depth imaging
Published Version
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