Importance The retinal vasculature is involved in many ocular diseases that cause visual
loss. Although fluorescein angiography is the criterion standard for evaluating the retina
vasculature, it has risks of adverse effects and known defects in imaging all the layers of the
retinal vasculature. Optical coherence tomography (OCT) angiography can image vessels
based on flow characteristics and may provide improved information. Objective To
investigate the ability of OCT angiography to image the vascular layers within the retina …