A man with an inherited form of blindness has been able to identify letters and a clock face using a pioneering implant, researchers say.
Miikka Terho, 46, from Finland, was fitted with an experimental chip behind his retina in Germany. Success was also reported in other patients.
The chip allows a patient to detect objects with their eyes, unlike a rival approach that uses an external camera.
For the complete BBC report:
http://www.bbc.co.uk/news/health-11670044
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