Researchers estimate that about 196 million people around the world live with age-related macular degeneration (AMD) — an eye disease that causes vision loss in mostly people over the age of 50. Of the people who have AMD, about 8 million globally have an advanced form of AMD called geographic atrophy . With geographic atrophy, the cells of the eye’s retina become damaged and begin to die, leading to irreversible vision loss. While there are medications available to help slow down disease