New Diagnostic and Therapeutic Approaches for Preventing the Progression of Diabetic Retinopathy

Figure 1

Diagram illustrating the extent of the seven standard ETDRS fields (the 75° view) on an ultrawide field fundus photo (the 200° view). Ultrawide field fundus angiography of a patient with proliferative diabetic retinopathy with extensive peripheral ischemia and extensive retinal neovascularization at the border between the perfused and nonperfused retinae.