Tasty Visuals

A newly approved visual aid translates the appearance of objects to electrical stimulation on the tongue.

Written byKerry Grens
| 2 min read

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FLICKR, PETRAS GAGILASTo help those with visual impairments make out the shape and movement of objects, a company has developed a device that takes visual information and translates it to electrical pulses delivered to the tongue. The idea is that users learn how to interpret the tingling patterns and come to “see” their environment through the gadget. Last week (June 18), the US Food and Drug Administration gave the company permission to begin selling its device, called BrainPort V100.

“Medical device innovations like this have the potential to help millions of people,” William Maisel, deputy director for science and chief scientist in the FDA’s Center for Devices and Radiological Health, said in a press release. “It is important we continue advancing device technology to help blind Americans live better, more independent lives.”

Users wear glasses mounted with a video camera and suck on an electrode array about the size of a lollipop. A clinical study found that 69 percent of 74 volunteers were able to make out objects using the gadget after one year of training.

“This device does not give you your sight,” Mike Jernigan, a Marine who lost his sight in Iraq and an early user of the BrainPort, told the Washington ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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