Technology & Health

Gene therapy trial partially restores eyesight

Technology and Health

Gene therapy trial partially restores eyesight

A blind man has regained part of his sight after a new treatment genetically engineered his eye to produce light-sensitive algae proteins. The technique, known as optogenetics, was successfully trialled in France with input from the Institute of Molecular and Clinical Ophthalmology Basel (IOB), which is affiliated with the University of Basel. Cells in the man’s retina were programmed to produce a protein called ChrimsonR, which is sensitive to light.

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