Updated News Around the World

Gene Therapy, High-Tech Goggles Restore Some Vision to Blind People


Scientists are making dramatic strides toward a goal that once seemed almost unimaginable: Restoring limited vision to people affected by a previously irreversible form of blindness caused by an inherited eye disease called retinitis pigmentosa.

In a paper published Monday in the journal Nature Medicine, researchers working with the Paris-based company GenSight Biologics SA reported that a 58-year-old man who was diagnosed with retinitis pigmentosa 40 years ago was able to locate objects placed on a table after receiving an experimental therapy. And New York City-based company Bionic Sight LLC announced in March that four blind people in an early-stage clinical trial are now able to detect light and motion after undergoing a similar treatment. Those results haven’t yet been published.

The patients all had advanced cases of retinitis pigmentosa, which affects more than two million people world-wide. All underwent optogenetic therapy, in which an injection is used to deliver a gene into the eye to boost the light sensitivity of certain cells in the retina, a layer of tissue at the back of the eye. The companies are developing high-tech goggles that process and amplify light in a way that boosts the cells’ ability to send electrical signals to the brain.

Dr. Anand Swaroop, a senior investigator at the National Eye Institute in Bethesda, Md., called optogenetic therapy an exciting option for some blind people but not a cure. Once sight is lost completely, he said, “Restoring vision that allows high resolution, high sensitivity, and high detection is not simple.”


Barry Honig, a participant in the Bionic Sight trial, said that people had often asked him if he would like to be able to see again. “This is the first time I have felt it is attainable,” he said.

For all the latest Technology News Click Here 

 For the latest news and updates, follow us on Google News


Read original article here

Denial of responsibility! NewsUpdate is an automatic aggregator around the global media. All the content are available free on Internet. We have just arranged it in one platform for educational purpose only. In each content, the hyperlink to the primary source is specified. All trademarks belong to their rightful owners, all materials to their authors. If you are the owner of the content and do not want us to publish your materials on our website, please contact us by email – [email protected]. The content will be deleted within 24 hours.

Leave a comment