Blind for 40 years, he has returned to see partially thanks to light and gene therapy

After spending 40 years without being able to see clearly due to a genetic disease, retinitis pigmentosa, at 58 she has partially recovered her sight and can now see moving images and objects.

An unimaginable feeling of freedom achieved thanks to optogenetics, a technique that uses pulses of light to control the activity of cells, previously modified to respond to light stimuli.