Thanks to digital technologies, scientists who study the sense of sight are taking us into a new era! They are now able to explain some rare phenomena such as the case of a person who can see 99 million more colors than people with normal human vision, or to restore sight to someone who had lost it. It is biotechnology and digital technology that are paving the way for a bionic future where carbon and silicon are blended and visual acuity and the speed of transmission of signals to the brain. Meet these rare individuals who may be an example of what the future holds...