Medical Breakthrough Restores Part Of Blind Man's Vision

The burgeoning field of optogenetics, using gene therapy to control nerve cells using light, has been successfully used to partially restore sight to a blind man.

As reported by the Nature Medicine journal, scientists reengineered eye cells to make them more sensitive to light.  Though it has only been done on one 58-year old male patient with retinitis pigmentosa, this technique shows promise in using gene therapy to help restore sight to other blind people.

Scientists partially restore blind man's vision with breakthrough gene therapy

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