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How does the brain adapt to the restoration of eyesight?

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Posted January 19, 2015

Recent scientific advances have meant that eyesight can be partially restored to those who previously would have been blind for life. However, scientists at the University of Montreal and the University of Trento have discovered that the rewiring of the senses that occurs in the brains of the long-term blind means that visual restoration may never be complete.

How does the brain adapt to the restoration of eyesight?

Recent scientific advances have meant that eyesight can be partially restored to those who previously would have been blind for life. However, scientists at the University of Montreal and the University of Trento have discovered that the rewiring of the senses that occurs in the brains of the long-term blind means that visual restoration may never be complete. Credit: IrishEyes, CC BY-NC-ND 2, flickr.com/photos/irisheyes/

“We had the opportunity to study the rare case of a woman with very low vision since birth and whose vision was suddenly restored in adulthood following the implantation of a Boston Keratoprosthesis in her right eye,” explained Giulia Dormal, who led the study. “On one hand, our findings reveal that the visual cortex maintains a certain degree of plasticity – that is the capacity to change as a function of experience – in an adult person with low vision since early life. On the other, we discovered that several months after the surgery, the visual cortex had not regained full normal functioning.” The visual cortex is the part of the brain that processes information from our eyes.

Read more at: MedicalXpress

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