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Intracortical Microstimulation Leads to Surprising Partial Restoration of

In a groundbreaking clinical trial, a patient who had been completely blind for over three years due to irreversible optic nerve damage experienced a rare and remarkable partial recovery of natural vision. This unexpected phenomenon emerged during a pioneering study conducted by researchers at Universidad Miguel Hernández de Elche (UMH) and the CIBER Center for Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN). The trial’s original obje…

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A person with total blindness caused by irreversible damage to the optic nerve partially recovered natural vision after participating in a clinical trial of...

·Madrid, Spain
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The patient has had a better sustained and spontaneous vision, independent of the implant

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On Christmas 2018, Miguel Terol suddenly lost his sight in his right eye. Six weeks later, he felt something strange in the other eye. He went to the emergency room and there, waiting, felt the light going out. Scared, he began to shout: “I don’t see, I don’t see!” In the hospital he was diagnosed with an anterior non-arterritic ischemic optic neuropathy, a sudden loss of vision that occurs due to the lack of flow to the optic nerve. “It’s a typ…

·Spain
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A person with total blindness has managed to recover part of his visual capacity after participating in an electrical stimulation procedure of the visual cortex. The case has been highly surprising, since the improvement has been spontaneous, has been maintained over time and has manifested itself independently of the implant used. The participant, […] The entry An intervention with electrical stimulation allows a blind patient to partially reco…

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A patient with total blindness caused by irreversible damage to the optic nerve has partially recovered natural vision after participating in a clinical trial of electrical stimulation of the visual cortex conducted by researchers from the Miguel Hernández de Elche University (UMH) and the CIBER consortium in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). The case, observed in the framework of a study designed to evaluate the safety …

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The Biomedical Neuroengineering Laboratory of the Universidad Miguel Hernández (UMH) of Elche has managed to partially recover the natural vision of a man with total blindness for three years caused by irreversible damage to the optic nerve.The man participates in a clinical trial of electrical stimulation of the visual cortex which aims to enable the generation of artificial visual perceptions by direct stimulation of the brain. To this end, a …

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El Pais broke the news in Spain on Tuesday, February 3, 2026.
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