Choroidal thickness in Turkish population
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Aim: Our aim was to evaluate choroidal thickness in healthy Turkish subjects with enhanced depth imaging optical coherence tomography. Materials and Methods: In this study, a total of 171 healthy subjects consisting of 87 females and 84 males were evaluated. The right eye was assessed in all participants. Seven measurement points were measured horizontally at the subfovea and across the fovea at 500- µm intervals up to 1500 µm nasal and temporal to the fovea. Results: The mean age was 39.6±11.1 (18-62). The vision acuity was perfect in all subjects. The mean subfoveal choroidal thickness was 365.6±98.1 µm. The mean intraocular pressure and spherical equivalent were 15±2.6 mmHg and -0.13±0.70 diopter respectively. There were no significant differences between females and males for choroidal thicknesses (p>0.05). There were negative correlations between age, spherical equivalent and choroidal thicknesses. Subfoveal choroidal thickness was decreased by 3.03 µm per age according to regression analysis. Conclusion: The mean subfoveal choroidal thickness was found to be 365.6±98.1 µm in all participants. A 3.03 µm decrease was found per age. © 2017 Gazi Eye Foundation. All rights reserved.