A Study of Disease Progression in Participants With Geographic Atrophy Secondary to Age-Related Macular Degeneration

Inclusion Criteria: * For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods that result in a failure rate of less than (\<) 1 percent (%) per year for at least 30 days after the last fluorescein dye administration * The study is being conducted in participants with GA in both Study Eye and Non-Study Eye (bilateral GA) with no evidence of prior or active choroidal neovascularization (CNV) Exclusion Criteria: * Previous participation in any studies of investigational drugs for GA or dry AMD (except for studies of vitamins and minerals) * GA in either eye due to causes other than AMD * History of vitrectomy surgery, submacular surgery, or any surgical intervention for AMD * Previous laser photocoagulation for CNV, diabetic macular edema, retinal vein occlusion, and/or proliferative diabetic retinopathy * Any ocular or systemic medical conditions that, in the opinion of the investigator, could contribute to participant's inability to participate in the study or interfere with study assessments * Requirement for continuous use of therapy indicated in Prohibited Therapy in the study Protocol