Innovative wireless retinal implant restores central vision and reading ability for patients with advanced macular degeneration

A new clinical trial shows a wireless retinal implant restored central vision in 81% of patients with advanced age-related macular degeneration.

By: AXL Media

Published: Mar 2, 2026, 10:30 AM EST

Source: The information in this article was sourced from ScienceDaily

Breakthrough in Vision Restoration Technology

Results from an international multi-center clinical trial reveal that a wireless retinal implant has successfully restored central vision in individuals suffering from advanced age-related macular degeneration. Known as geographic atrophy, this condition is the leading cause of permanent blindness in older adults, affecting more than 5 million people globally. The study was co-led by experts from the UPMC Vision Institute, Stanford University, and the University of Bonn, marking a significant milestone in ophthalmological research.

Clinical Trial Results and Participant Gains

The trial enrolled 38 participants aged 60 and older across 17 medical centers in Europe. Of the 32 participants who completed a one-year follow-up, 81 percent experienced meaningful improvements in visual acuity. On average, patients gained 25 letters on a standard eye chart, which is equivalent to approximately five lines. Notably, 84 percent of participants reported using the artificial vision provided by the device at home for practical tasks such as reading numbers or words.

Mechanism of the PRIMA Retinal Implant

The PRIMA system utilizes a 2x2 mm wireless chip designed to replace damaged photoreceptors in the retina. In a healthy eye, these cells convert light into electrical signals for the brain. The implant takes over this function by receiving near-infrared light from a camera mounted on specialized glasses. The chip then transforms this light into electrical pulses that stimulate the remaining healthy retinal cells, allowing visual information to be transmitted through the optic nerve.