Subject 008, 65 y/o Hispanic male diagnosed with PDR and CSME. (a, b) Color fundus picture shows macular edema, hard exudates, and hemorrhages. (c) OCT CMT preinjection (574 μm); (d) OCT CMT postinjection (541 μm). (e) FPF map preinjection shows an increase in green-yellow coloring suggesting greater mitochondrial dysfunction (oxidative stress) compared to the (f) blue-green postinjection FPF map. gsu = grayscale units.