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Foveal avascular zone (FAZ) area on optical coherence tomography angiography (OCTA) in a patient with early proliferative diabetic retinopathy (PDR). (A) The encircled yellow area represents FAZ area obtained by OCTA AngioVue with the scan size of 3 × 3 mm. (B) The retinal superficial capillary plexus at baseline. FAZ area was 0.50 mm2 that decreased to 0.45 mm2 3 months after treatment with panretinal photocoagulation (PRP).
