Optical Coherence Tomography Angiography of Macular Perfusion Changes after Anti-VEGF Therapy for Diabetic Macular Edema: A Systematic Review

Figure 2

Compared to fluorescein angiography (a), optical coherence tomography angiography (Optovue, Inc., Fremont, CA, USA) of the macula (b) allows imaging of the retinal capillaries and foveal avascular zone in high resolution without obscuration by dye leakage or macular xanthophyll pigment shadowing.

(a)

(b)