[AI] New drug to treat blindness

dr.u.n.sinha narain drunsinha at gmail.com
Sat Mar 15 04:34:03 EDT 2008


good news. i hope in my life time you will see the world.

On 3/14/08, Aruni Sharma <aruni100 at gmail.com> wrote:
> New drug to treat blindness
> London (PTI): A ray of hope for millions of visually challenged people
> worldwide! A new drug to
> treat common forms of blindness is all set to go for clinical trial.
> Researchers at the University of Bristol have developed the drug to
> treat eye diseases affecting
> the elderly and diabetics, such as age-related muscular degeneration
> (AMD) and diabetic etinopathy,
> the British media reported on Friday.
> The research team, led by Prof Dave Bates and Dr Steve Harper of the
> varsity's Microvascular
> Research Laboratories, has identified a novel, naturally occurring form
> of a compound which
> inhibits the formation of new blood vessels -- a major cause of the
> "wet" type of AMD and also
> diabetic retinopathy. The research has been funded by Britain's leading
> eye research charity, Fight
> for Sight.
> The news of the drug comes just days after scientists in the United
> States had claimed that a
> bionic eye which can restore sight to the blind would be available
> commercially within two years.
> The second-generation device, current being trialled, consists of three
> elements. First, a
> miniature camera worn in a pair of dark glasses, which transmits images
> to a radio receiver
> implanted near the patient's eye.
> This then sends a signal on to a tiny silicon and platinum chip, about
> four millimetre square, that
> sits on the retina. The chip's electrodes stimulate the ganglion cells
> that transmit visual
> information to the optic nerve and onwards to the brain, which can then
> construct a visual image.
> "A plate is seen as a saucer of light, and a knife as a runway of light.
> It works by building up
> images like a dot-matrix printer, or pixels on a computer screen," lead
> researcher Prof Mark
> Humayun had said.
>
> http://www.thehindu.com/holnus/008200803141550.htm
>
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-- 
u.n.sinha




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