The startup, Mojo Vision, showed off a very early prototype in meetings at CES last week and is now ready to start talking about the product’s development. Mojo Vision hopes to first create a smart contact lens that can assist people with low vision by displaying enhanced overlays of the world, sharpening details or zooming in to help them see. But that reality seems to be a ways away. The prototype shown at CES included a green, monochromatic display that was wired to a large battery, and the company still needs to get approval from the Food and Drug Administration...