Imagine if your body had a built-in repair kit specifically for your eyes—a signal that could tell your cells to heal, regenerate, and protect themselves. While it may sound like science fiction, your body already produces such a molecule. It’s a protein called  Fibroblast Growth Factor-2 (FGF-2) , and scientists are intensely studying its remarkable potential to treat a wide range of eye diseases and injuries. Think of FGF-2 as a master "instruction manual" or a "green ligh