Millions of people worldwide suffer from ocular diseases that degrade the retina, the light-processing component of the eye, causing blindness. A team from Lawrence Livermore National labs describes how the nervous system works and how neurons communicate then discuss the first long-term retinal prosthesis that can function for years inside the harsh biological environment of the eye. Series: "Lawrence Livermore National Lab Science on Saturday" [Health and Medicine] [Science] [Show ID: 24516]