This study is being done to determine the long-term safety and possible benefits of transplanted Human Central Nervous System Stem Cells (HuCNS-SC) for patients with Geographic Atrophy of Age-Related Macular Degeneration. This long-term follow-up study is limited to those individuals who received a transplant of HuCNS-SC cells into one of their eyes as part of the CL-N01-AMD study. No additional study product will be given in this 4-year long-term follow-up study.