Optical computed tomography (OCT) angiolytics: A review of OCT angiography quantiative biomarkers.

Optical coherence tomography angiography (OCTA) provides a noninvasive method to obtain angiography of the chorioretinal vasculature leading to its recent widespread adoption. With growing number of studies exploring the use of OCTA, various biomarkers have been described to quantify vascular characteristics using various techniques. We summarize biomarkers currently described for retinal and choroidal vasculature OCTA systems and the methods used to obtain them. We presents a critical review of these methods and key findings in common retinal diseases andalso appraise future directions, including application of artificial intelligence in OCTA angiolytics.