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Grading of the image quality of AOSLO. Shown is the fundus of a patient with AREDS grade 6. Yellow circle on right panel delimits the central 20° (i.e., the macula). The gray image is an AOSLO montage overlaid on the color fundus photograph. Grid squares are 1° × 1°. Cone photoreceptor visibility was examined in each grid square and classified as ‘resolved’ or ‘unresolved.’
