1. Reproducibility of vessel density, fractal dimension and foveal avascular zone using 7 different optical coherence tomography angiography devices

    Reproducibility of vessel density, fractal dimension and foveal avascular zone using 7 different optical coherence tomography angiography devices

    Purpose To evaluate the reproducibility of parafoveal microvascular anatomy of 7 different optical coherence tomography angiography (OCT-A) devices by comparing vessels density (VD), fractal dimension (FD) and foveal avascular zone (FAZ) of superficial and deep capillary plexus in healthy volunteers. Design Reliability analysis. Methods Consecutive healthy volunteers presenting at the Eye Clinic, Department of Biomedical and Clinical Sciences, Luigi Sacco Hospital, University of Milan in the same clinic visit were imaged by 7 different OCT-A devices: Optovue RTVue XR Avanti (Optovue, Inc, Fremont, CA), prototype Spectralis OCT-A (Spectralis Heidelberg Engineering, Heidelberg, Germany), AngioPlex (Cirrus 5000 HD-OCT, Carl Zeiss Meditec, Inc ...

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