• Adequately clear ocular media, adequate pupillary dilation, and fixation to allow acquisition of good quality fundus imaging

• GA that resides completely within the fundus autofluorescence (FAF) imaging field

• Presence of hyperautofluorescence of either banded or diffuse pattern adjacent to the GA area on FAF

• Study eye has early treatment of diabetic retinopathy study (ETDRS) best-corrected visual acuity (BCVA) score as follows:

• Part 1A: 19 to 48 letters, inclusively

• Part 1B: \> 19 letters

• Part 2: ≥ 24 letters

• Total GA lesion size must be as follows:

• Parts 1A and 1B: ≥ 1.25 square millimeter (mm\^2) and ≤ 20 mm\^2 )

• Part 2: ≥ 2.5 mm\^2 and ≤ 20 mm\^2