A Long-term Extension Study of JNJ-81201887 (AAVCAGsCD59) Parent Studies in Participants With Geographic Atrophy (GA) Secondary to Age-related Macular Degeneration (AMD)

Who May Qualify: - Participants who were enrolled and received treatment with JNJ-81201887 or sham in a parent clinical study (81201887MDG2001, 81201887MDG1003) - Females (women of childbearing potential), male participants, and partners of male participants will not be required to use contraception in this LTE study - Must sign an willing to sign a consent form form (ICF) indicating that participant understands the purpose of, and procedures required for, the study and is willing to participate in the study. The ICF may be signed by an impartial witness and/or legally designated representative depending on national/local regulations Who Should NOT Join This Trial: - There are no exclusion criteria for this LTE study Always talk to your doctor about whether this trial is right for you.