Blindness due to age-related dry macular degeneration robs over 200 million people worldwide of being able to do the simplest tasks they used to take for granted, such as driving or playing with their grandkids. Currently, there is no approved treatment for AMD. A group of drugs used to treat HIV that block DNA synthesis in the cytoplasm can be repurposed to treat an advanced form of AMD called geographic atrophy, a new UVA study suggests.