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The procedure

The procedure

An epiretinal prosthesis is an implant that is put into the eye, with the patient under general anaesthetic. The implant is attached to the retina and held in place with tiny staples. The person also has to wear a small camera on their glasses and carry a pocket‑size computer. The camera sends images to the computer. The computer converts the images into data. It sends the data wirelessly to small electrodes in the implant. The electrodes stimulate healthy cells in the retina, which helps the person to see basic images.

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