This video introduces the new technology, optical coherence tomography angiography (OCTA). We will show how the instrument allows visualisation of blood flow in retinal micro-vessels and describe its uses and limitations for optometry
You can take this video as an exam here : https://www.aop.org.uk/ot/CET/2017/09/12/octa-dismantling-misconceptions-and-building-new-realities?retakeExam=true