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En face 6×6-mm structure and choriocapillaris (CC) images at baseline and 1 year from the left eye of a patient with geographic atrophy (GA). A, B, Annual enlargement rate (ER) of GA is 0.38 mm/year. C, D, CC en face flow images. E, F, CC flow deficits (FDs) in the different regions: FD% and average flow deficit area (FDa) at baseline in R1 (FD%: 17.1%; FDa: 0.0026 mm2), R2 (FD%: 10.7%; FDa: 0.0023 mm2), and R3 (FD%: 10.3%; FDa: 0.0023 mm2).
