Los Angeles: Scientists in the US have engineered a virus that inserts genes into the eyes as a way of restoring sight in those afflicted by diseases that cause blinding, a new study says.Unlike current treatments, the new procedure is quick and surgically non-invasive, and it delivers normal genes to hard-to-reach cells throughout the entire retina, reports Science Daily.Over the last six years, several groups have successfully treated people with a rare inherited eye disease by injecting a virus with a normal gene directly into the retina of an eye with a defective gene. Despite the invasive process, the virus with the normal gene was not capable of reaching all the retinal cells that needed fixing.
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