Solar-Powered Implant – Cure for Blindness?

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An implant that squirts chemicals into the back of an eye is probably not what you would expect to help blind people. It is a solar-powered chip that stimulates retinal cells by spraying them with neurotransmitters. This could restore sight to blind people. Unlike other implants under development that apply an electric charge directly to retinal cells, the device does not cause the cells to heat up. It also uses very little power, so it does not need external batteries. Via Gizmodo

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