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| The blind can now see |
| Three scientists in the US, including one from Calcutta, have made the impossible possible finds Ranit Mukherji |
| There are many reasons for blindness but one of the main reasons is that the retina is unable to receive light signals or process them into electric impulses to transmit to the brain. Three scientists in the US have patented a device that does the work of the eye externally. The prosthetic apparatus... |
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