Wireless retinal implant helps blind patients see again

A tiny wireless implant is giving new hope to people blinded by advanced age-related macular degeneration. In a major international clinical trial, more than 80% of participants regained meaningful central vision, with many able to read letters and even words again after years of decline. The device replaces damaged light-sensing cells in the retina with a 2×2 mm implant that converts light into electrical signals, restoring communication between the eye and the brain. A tiny wireless retinal implant has helped restore central vision in people with advanced age-related macular degeneration (AMD), according to results published in the New England Journal of Medicine. Advanced atrophic AMD, also called geographic atrophy (GA), is the most common cause of permanent blindness in older adults and affects more than 5 million people worldwide.


The international, multi-center clinical trial was co-led by José-Alain Sahel, M.D., director of the UPMC Vision Institute; Daniel Palanker, Ph.D., professor of ophthalmology at Stanford University; and Frank Holz, M.D., professor of ophthalmology at the University of Bonn, Germany.

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