Fig. 4From: Diabetic retinopathy and OCT angiography: clinical findings and future perspectivesPerifoveal perfusion density. Diabetic macular ischemia is demonstrated on fluorescein angiography (a) and a 3 × 3-mm OCT angiogram obtained from the SCP (b). Corresponding perfusion density mapping is represented by color-coded topographic maps with quantitative data (c)Back to article page