1. Comparison of Foveal Microstructure Imaging with Different Spectral Domain Optical Coherence Tomography Machines

    Comparison of Foveal Microstructure Imaging with Different Spectral Domain Optical Coherence Tomography Machines

    Purpose: To investigate the reproducibility of imaging the foveal microstructures of healthy eyes with 3 spectral domain optical coherence tomography (SD-OCT) machines: Cirrus (Carl Zeiss Meditec Inc.), Spectralis (Heidelberg Engineering), and Topcon (Topcon 3D OCT-1000 Mark II).Design: Cross-sectional, prospective, noninterventional study.Participants: Images were obtained for 50 eyes of 50 healthy undilated volunteers without ocular pathology in a clinical setting.Methods: The fovea of all subjects was imaged using Cirrus, Spectralis, and Topcon.Main Outcome Measures: Among the 4 hyperreflective bands in the outer subfovea on SD-OCT imaging, the innermost band (external limiting membrane [ELM] band), the second innermost ...

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