Back to Back Issues Page
Retinal Chip Activated in 5 Patients
August 30, 2018

Retinal Chip Activated in 5 Patients

"Following successful activations, all five consecutive patients in the French feasibility study reported perception of useful light patterns in areas where previously there was no remaining light perception," Pixium Vision announced on August 30, 2018.

Advanced Dry Macular Degeneration

The Bionic Vision Restoration System, by Pixium Vision received approval in the fall of 2017 from French regulators for the implant of a retinal chip in patients who have advanced dry macular degeneration (AMD).

The chip is surgically placed in the subretinal space and works in conjunction with a headworn camera and a small data transmitter.

Artificial stimulation of degenerated photoreceptor cells allows for better communication between the eye and the brain.

Clinical Trial Update

The first patient received the Pixium retinal implant and activation of the PRIMA system in France in January of 2018 and as of August 30, 2018 all 5 research participants have been implanted with the retinal chip with the systems now activated.

The participants have advanced atrophic (dry) AMD with severe vision loss. According to Pixium Vision's press release, "The PRIMA Bionic Vision System successfully elicited visual perception. This enables the patient to start the re-education phase as per the trial protocol, which includes a 6-month follow-up and progress update." A second study sight in the U.S. will begin recruiting 5 patients who also have advanced dry AMD.

Symptoms of Advanced Dry AMD

Symptoms of advanced dry macular degeneration include a blurred, cloudy or gray area right in the center of one's vision making it difficult to read or recognize faces.

Using a higher 378 electrode chip, the PRIMA (Photovoltaic Retinal Implant) hopes to improve a patient's central vision. “What people [with AMD] ideally want is to read again and to recognize faces,” says Khalid Ishaque, CEO of Pixium. Watch a short video and learn how this technology works to stimulate the retina in a new way to improve vision:

Short Video of Pixium's PRIMA Bionic Vision Restoration System

Leslie Degner, RN, BSN

Better Health for Better Vision

Back to Back Issues Page