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Denis Meyer @ elektormagazine.com discuss how the researchers improved the resolution of retinal prostheses.
A retinal prosthesis substitutes for the photo-receptor cells of the defective retina. It’s composed of a camera carried in spectacles; electronics that processes the camera information; and a matrix of microscopic electrodes implanted in the eye in contact with the retina. These electrical signals are carried to the brain by the optic nerve. With such implants, totally blind patients can recover some visual perception in the form of spots of light called phosphenes. Alas, these are not clear enough to recognize faces, read or move around.
Improvement in the resolution of Retinal Prostheses – [Link]
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