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It s just amazing : How this gene therapy helped a blind man start to see ⋮ A blind man regained partial sight after undergoing a gene therapy known as optogenetics and using a pair of specialized goggles, according to a breakthrough case study published in Nature Medicine. According to the New York Times, the human eye generates images when light hits the retina, where photoreceptor cells convert the light into electrical signals they send to neighboring ganglion cells. Those ganglion cells then use the optic nerve to send those signals to the brain, which converts the information into images. However, roughly two million people worldwide suffer from a collection of progressive, hereditary diseases together called retinitis pigmentosa in which different gene mutations cause photoceptor cells to die off, eventually causing blindness.

New yorkUnited statesFrance generalBotond roskaTodd durhamEd boydenPaul bernsteinUniversity of utah school medicineNew york timesInstitute of molecularUniversity of pittsburghUniversity of baselFoundation fighting blindnessWall street journalFoundation fightingAlain sahel