Retinal angiography reveals the retinal vascular network. We can image using fluorescein angiography, or non invasive optical coherence angiography. In addition, we are developing new non invasive quantitative techniques to improve angiographic measures of blood flow and vascular morphology (see Doppler holography below, and adaptive optics angiography).
In vivo laser Doppler holography of the human retina, L Puyo, M Paques, M Fink, JA Sahel, M Atlan, Biomed Opt Exp Vol. 9, Issue 9, pp. 4113-4129 (2018)