[blindza] Re: Fw: Engineering advances paving way for artificial vision progress

Not sure, but almost all the recent development seems to be specifically sending signals into the front of the optic nerve, and thereby just replacing the adctual physical eye - which is also, unfortunately no use to me since although my eyes are physically fine (although they apparently start to fail after a bit of non-use), my optic nerve is 100% blocked by scar tissue where it actually enters my brain, so, yes, I would need a form of brain implant to be sent a signal directly as such.


I think there were guys looking into this for a bit, but haven't heard much recently.

The only other relatively active aspect is forms of sensory perception where you try to train your brain to in fact interpret other senses like audio signals, signals sent to a tongue pad etc. etc. as visual cues or something.

Stay well

Jacob Kruger
Blind Biker
Skype: BlindZA
'...Fate had broken his body, but not his spirit...'

----- Original Message ----- From: "Dave Chatten-Smith" <davechsmith@xxxxxxxxxxx>
To: <blindza@xxxxxxxxxxxxx>
Sent: Thursday, May 01, 2008 1:45 PM
Subject: [blindza] Re: Fw: Engineering advances paving way for artificial vision progress


Hello, am i right in saying that the debell instrute was doing something like this? Where they was inplanting the brain, so the implant would bypass the optical nerve? i have search all over the internet for answers and questions on this procedure ,but nothing solid as of yet/
dave uk

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----- Original Message ----- From: "Jacob Kruger" <jacobk@xxxxxxxxxxx>
To: "BlindZA" <blindza@xxxxxxxxxxxxx>
Sent: Thursday, May 01, 2008 11:21 AM
Subject: [blindza] Fw: Engineering advances paving way for artificial vision progress


Received this from the SeeingWithSound mailing list (see below).

Jacob Kruger
Blind Biker
Skype: BlindZA
'...Fate had broken his body, but not his spirit...'

----- Original Message ----- Hi All,

For your information. Appended is yesterday's news article
on electronic retinal implants from the OSN SuperSite. Note
that Optobionics went bankrupt last year.

Best wishes,

Peter Meijer


Seeing with Sound - The vOICe
http://www.seeingwithsound.com/winvoice.htm


Engineering advances paving way for artificial vision progress.

FORT LAUDERDALE, Fla. — Advances in engineering may help usher
in a new way to treat neural forms of blindness, according to
a speaker here at the Association for Research in Vision and
Ophthalmology meeting.

Joseph F. Rizzo, MD, co-director of the Boston Retinal Implant
Project and director of the Center for Innovative Visual
Rehabilitation at the Boston VA Medical Center, highlighted four
companies that had performed microelectronic retinal implants on
human subjects. He said he was optimistic about the results.

"The fact that you can plant these foreign materials in the eye
and the eye seems to withstand it is something that all four
groups demonstrated without question," Dr. Rizzo said in an
interview with Ocular Surgery News after his presentation.
"Overall there are very positive aspects of the results that need
to be encouraged, but at the same time, I think there are hard
engineering and biological problems."

Optobionics was the first company to test one of these implants,
Dr. Rizzo said. The three other companies currently conducting
studies are Second Sight Medical Products, Intelligent Medical
Implants AG and Retina Implants AG.

The placing of the circuitry on the retina has been performed
well, but the interface between the electrodes and the nerve
cells still must be studied extensively, he said. Researchers
also must figure out a way to hermetically encapsulate the
implants to protect them from salt in the body.

"We're going to have to learn how to stimulate the nerve tissue
to create the kind of vision we want," Dr. Rizzo said. "There is
still more work to be done with regard to biocompatibility to try
and demonstrate more definitively that stimulation would be safe
at these levels if delivered for a long time."

Source URL:
http://www.osnsupersite.com/view.asp?rID=27977

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