Study of NGM621 in Participants With Geographic Atrophy

Inclusion Criteria

• •1. GA lesion size in the study eye of \>=2.5 mm² as assessed by the central reading center
• •2. BCVA - 54 to 4 letters (20/80 to 20/400 Snellen equivalent) using the standard ETDRS (Early Treatment of Diabetic Retinopathy Study) in the study eye at the Screening and Baseline visits; the fellow eye must have a BCVA of at least 69 letters (Snellen equivalent 20/40) at the Screening and Baseline visits