Improved Retinal Implant Stimulates Neurons To Restore Sight

Improved Retinal Implant Stimulates Neurons To Restore Sight 
A new retinal implant sits mostly outside the eye. 

For many blind or partially sighted people, implants that stimulate healthy nerve cells connected to their retinas could help restore some normal vision. Researchers have been working on such implants since the 1980s but with only limited success. A major hurdle is making an implant that can stay in the eye for years without declining in performance or causing inflammation.

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