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Blind man has sight partially restored after 40 years CNN 1 hr ago By Amy Woodyatt, CNN © Sahel, JA., Boulanger-Scemama, E., Pagot, C. et al./Nature Medicine Months after the injection, the man could detect objects including a plate, mug or phone and identify furniture in a room or a door in a corridor when using the goggles. A blind man has had his vision partially restored using optogenetic therapy and engineered goggles the first successful case of such therapy in humans. Researchers treated a 58-year-old man who for 40 years had been suffering from retinitis pigmentosa a neurodegenerative eye disease where loss of photoreceptors can lead to complete blindness.

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