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