Innovega's wearable electronics allows users to see objects up close - CES 2014

The video tutorial introduces a contact lens that allows for both close focus and corrected distance vision. It describes a wearable display that provides a secondary image plane for viewing digital content. The display is powered by a laptop and can show webcam content. A demonstration with playing cards verifies the display's functionality.

Explain the significance of the secondary image plane provided by the contact lens.

What happens to the visibility of objects when the contact lens is not worn?