In recent years, OCT angiography (OCT-A) has emerged as a well established imaging
modality of the retina. This allows non-invasive visualisation of the retinal circulation
at a micrometre scale in eye disorders and systemic diseases with potential ocular
involvement. This review summarises the current state of this topic.
Key words
OCT-angiography - microcirculation - capillary - vessel density - COVID-19 - SARS-CoV-2