New brain implants allow blind users to see using prosthetic electrodes in their visual cortex.
worldwide who suffer from blindness and an additional 250 million with moderate-to-severe visual impairment. Most blindness is brought about through injury or aging, while others are born with genetic conditions resulting in a lack of sight. While full restoration of eyesight through medical intervention is still impossible, new brain implants may enable significant restoration.
The project, called NeuraViPeR, was started in the EU in late 2020 with the intention of providing an affordable prosthetic vision replacement for more than 2.5 million blind Europeans. The final product is scheduled for mass availability in 2025, and full detailed studies on the implants are still in the works, but the researchers behind the project have releasedThe first human test subject for NeuraViPeR was fitted with a small implant in the brain’s visual processing cortex. In sight-abled people, when light hits the retina, photoreceptors in the eye translate the light to electrical signals interpreted by the brain in the visual cortex.
The patient’s implant consisted of just under 100 microelectrodes, which could be activated and seen by the user despite their blindness. The implant was digitally connected to a pair of glasses fitted with a video camera that captured movement and relayed that information to the implant, just as our eyes do for the visual cortex.
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