Some previously visually impaired patients could read signs, tell the time and distinguish white wine from red after being fitted with the device.

This article titled “Retinal implant restores partial sight to blind people” was written by Ian Sample, science correspondent, for on Wednesday 20th February 2013 00.05 UTC

Blind people have described smiles on friendly faces, the food on their plates, and household objects from telephones to dustbins, after surgeons fitted them with electronic chips to partially restore their vision.

Results from the first eight patients to enrol in a clinical trial of the retinal implants show that five found the chips improved their eyesight enough to be useful in everyday life.

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