A company called Second Sight has received FDA approval to begin U.S. trials of a retinal implant system that gives blind people a limited degree of vision.
The second incarnation of Second Sight's retinal prosthesis consists of five main parts:
- A digital camera that's built into a pair of glasses. It captures images in real time and sends images to a microchip.
- A video-processing microchip that's built into a handheld unit. It processes images into electricalpulses representing patterns of light and dark and sends the pulses to a radio transmitter in the glasses.
- A radio transmitter that wirelessly transmits pulses to a receiver implanted above the ear or under the eye
- A radio receiver that sends pulses to the retinal implant by a hair-thin implanted wire
- A retinal implant with an array of 60 electrodes on a chip measuring 1 mm by 1 mm
Electronic microchips implanted into the eyes of a group of British patients suffering from retinitis pigmentosa, an incurable genetic condition that causes blindness, have partially restored the vision of the formerly sightless so that they're able to view the world as a "grainy black-and-white image." The implant'sfirst British recipient said the bionic eye gives him "some imagery rather than just a black world."Another patient reported suddenly dreaming in "very vivid color for the first time in 25 years"
If you want to know how this works clearly, watch the following video.
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