Beneficial Vision smart contact lenses from Care Harmony Corp. use a variety of technologies distributed among wearable devices to deliver monochromatic text and video images through contact lenses. The smart lenses contain an outer ring of rechargeable batteries and lasers that use wave-guide technology to project an image into the central area of the contact lens. In addition to delivering audio, wireless earbuds track head position and send that information to the contacts, so the projected image can appear to be a stable overlay in a fixed position in the real world when you move your head. Continue reading CES: The Era of Screens in Contact Lenses May Be Upon Us