Brain Port is a new technology that can send visual image to the blindpeople via the nerves on their tongues.

BrainPort Vision

For those who are blind, the non-surgical BrainPort vision
device is an investigational assistive device for orientation,
mobility, object identification and spot reading. It enables perception
of visual information using the tongue and camera system as a paired
substitute for the eye. Visual information is collected from a video
camera and translated into gentle electrical stimulation patterns on the
surface of the tongue. Users describe it as pictures drawn on their
tongue with champagne bubbles. With training users may perceive shape,
size, location and motion of objects in their environment. The
BrainPort vision device is intended to augment rather than replace other
assistive technology such as the white cane or guide dog.
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