Electronic implants are helping people to see again. Their promise is profound, but so are the risks. Progress must be guided by ethics and accessibility Electronic implants are helping people to see again. Their promise is profound, but so are the risks. Progress must be guided by ethics and accessibility I n medical terms, the eye is not the window to the soul, but to the mind. The retina and the optic nerve are outgrowths of neural tissue, and the remarkable success of electronic implants in