[AI] Scientists Invent Bionic Eyeball To Cure Blindness
Prof. S.R. Mittal
srmittal at gmail.com
Fri Jun 20 21:23:37 EDT 2008
Please enlighten the group whether this equipment can help restore the
vision of those blind persons whose eye ball has melted away and also tel
us the cost of getting it fixed.
----- Original Message -----
From: "shahnaz" <shycurrim at yahoo.co.in>
To: <accessindia at accessindia.org.in>
Sent: Friday, June 20, 2008 2:18 PM
Subject: [AI] Scientists Invent Bionic Eyeball To Cure Blindness
> Wednesday, 18 June , 2008, 12:39
> German scientists have invented a wireless bionic eyeball that can
> restore vision
> to patients who have become blind due to retina damage or disease.
> The new prosthetic device caps 12 years of research to help these
> patients. This
> work has resulted in a unique system - a fully implantable visual
> prosthesis. The
> scientists from the Fraunhofer Institute for Microelectronic Circuits
> and Systems
> in Duisburg, Germany, say that the bionic eye can bypass the damaged
> For more news, analysis
> For more Science and Medicine news
> The system comprises an implant and an external transmitter
> integrated in an eyeglasses-frame.
> The implant system converts the image patterns into interpretable
> stimulation signals,
> and data and energy are transferred to the implant by a telemetric
> link. Nerve cells
> inside the eye are then stimulated according to the captured images.
> The intact cells
> are innervated by means of 3-D stimulation electrodes that rest
> against the retina
> like small studs.
> As long as there is no damage to the optic nerve, the vision signals
> can be sent
> to the brain just like they are with healthy eyes. "For normally
> sighted people that
> may not seem much, but for the blind, it is a major step," comments
> Hoc Khiem Trieu
> of the Fraunhofer Institute. "After years of blindness, the patients
> were able to
> see spots of light or geometric patterns, depending on how the nerve
> cells were stimulated."
> Trieu has been involved from the outset of this project, which was
> funded by the
> Germany's Education and Research Ministry. Together with two other
> scientists, Ingo
> Krisch and DMichael Goertz, he translated the specifications given by
> the medical
> experts and material scientists into an implant and chip design. "A
> milestone was
> reached when the prosthetic system finally operated wirelessly and
> remotely controlled,"
> explains Dr. Krisch.
> "A great deal of detailed work was necessary before the implant could
> be activated
> without any external cable connections. "The designs became smaller
> and smaller,
> the materials more flexible, more robust and higher in performance,
> so that the implant
> now fits comfortably in the eye," reports Goertz.
> The scientists are to receive the Joseph von Fraunhofer Prize 2008
> for their work.
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