[Nfbf-l] More on the Vision-Restoring Retinal Prosthesis Receives FDA Approval News
Alan Dicey
adicey at bellsouth.net
Sat Feb 16 02:29:30 UTC 2013
For more information on the Argus II or to learn if you may be a candidate
for this device, call the Second Sight Medical Products hotline at
855-756-3703 (toll free) or 818-833-5027.
Vision-Restoring Retinal Prosthesis Receives FDA Approval
February 14, 2013 -
The Argus II retinal prosthesis, a device that can restore some vision to
people who are blind from advanced retinitis pigmentosa (RP), has received
U.S. market approval from the Food and Drug Administration (FDA). Developed
by Second Sight Medical Products, the device will be available later this
year in approximately 10 clinical centers across the country. In 2011, the
Argus II received marketing approval in Europe. Also known as a "bionic
retina," it is currently the world's only retinal prosthesis with regulatory
approval.
More than 20 years of research went into the development of the Argus II.
The Foundation Fighting Blindness played a seminal role in its development
by funding laboratory studies for an earlier version of the device.
"This is truly an exciting and historic moment in the drive to restore
vision in people with advanced retinal degenerative diseases," says Dr.
Stephen Rose, chief research officer of the Foundation. "By restoring some
basic vision, the Argus II gives people independence, mobility and,
ultimately, improved quality of life."
The Argus II consists of an external video camera mounted on a pair of
sunglasses which sends visual images to a 60-electrode grid surgically
implanted on the retina. The grid converts those images to electrical
signals, which are sent back to the brain.
Users of the device perceive patterns of light, which the brain learns to
interpret as vision. The device has enabled clinical trial participants who
are profoundly blind from retinal degeneration to see shapes, recognize
large letters and significantly improve mobility.
In September 2012, a group of industry experts, Second Sight representatives
and six users of the Argus II attended an FDA hearing to request
recommendation for marketing approval. The users spoke compellingly about
how the device improved their ability to navigate and accomplish daily
tasks. Dean Lloyd, an attorney who is completely blind from RP, told the
panel about his delight in being able to sort white, grey and black socks,
thanks to the Argus II.
Further information about costs and availability of the Argus II will be
provided by Second Sight later this year. The company is actively pursuing
insurance reimbursement for the system.
Second Sight is in the early stages of developing a 240-electrode retinal
prosthesis designed to enable users to perceive more detail. Clinical
availability is years away, and, in the meantime, the company intends to
boost patient performance of the Argus II by upgrading the camera and
software of the externally worn part of the system.
Read more about the Argus II and its history from an Eye on the Cure blog
post written by Dr. Robert Greenberg, Second Sight's chief executive
officer. And to read about the positive impact the Argus II had on one man's
life, check out this story.
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