Choroidal Thickness Evaluation in Central Serous Chorioretinopathy in Thammasat University Hospital
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Abstract
Abstract
Purpose: To establish a normative database of subfoveal choroidal thickness (CT) in normal eyes compared with central serous chorioretinopathy eyes (CSC) by using enhanced depth-imaging optical coherence tomography.
Methods: This cross-sectional, observational study was carried out on outpatients recruited from the Department of Ophthalmology, Faculty of Medicine, Thammasat University Hospital, Thailand, from November 2018 to June 2019. A total of 30 patients (30 eyes) was included (15 normal eyes of healthy patients, 15 central serous chorioretinopathy eyes). Subfoveal choroidal thickness was measured by enhanced depth-imaging optical coherence tomography. Subjects with systemic diseases and ocular diseases that may affect the choroidal vascular blood vessels were excluded.
Results: In CSC eyes, a mean of subfoveal choroidal thickness was 390.96±55.12 μm with a mean age of 46.13±10.70 years. 86.67% was male. In normal eyes, a mean of subfoveal choroidal thickness was 250.69±69.95 μm with a mean age of 60.07±11.91 years. 53.33% was female. Baseline axial length, autorefraction and BCVA showed no difference between two groups. Subgroup analysis of choroidal thickness in different age groups showed a mean of subfoveal choroidal thickness in CSC eyes was thicker than normal eyes in every age group. The age groups of 41-50, 61-70 and 71-80, subfoveal choroidal thickness in CSC eyes was thicker than normal eyes with statistical significance.
Conclusion: The mean subfoveal choroidal thickness was 390.96±55.12 μm and 250.69±69.95 μm in CSC eyes and normal eyes respectively in Thai population. The mean subfoveal choroidal thickness in CSC eyes was thicker than normal eyes significantly.
Keywords: choroidal thickness, central serous chorioretinopathy, enhanced depth-imaging optical coherence tomography
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