Medical Device Company (defunct operations)
Appears in 1 story · Last updated May 19, 2026
As of May 2026: Pioneered Argus II retinal implant, ceased operations 2020, merged 2023
Stanford researchers implanted a chip smaller than a Tic Tac under the retinas of 38 blind patients. A year later, 27 could read again, including some who read entire books. The PRIMA device, published October 20, 2025 in the New England Journal of Medicine, is the first prosthetic to restore functional vision to people with macular degeneration—the leading cause of irreversible blindness.
Updated May 19
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