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Biotech / Medical : QLT PhotoTherapeutics (QLTI)
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To: Julian who wrote (781)12/12/1999 9:00:00 PM
From: Stephen O  Read Replies (1) of 1321
 
Will this have any bearing on QLTs future? If your eyes go just get new ones.
TOD MAFFIN'S FUTURE FILE ( futurefile.com )
The Newsletter About The Future.
December 9, 1999
"Growing Eyes and Humans in a Jar"

(Subscription and unsubscription instructions at the bottom.)

NEED AN EYE? IMPLANT A DIGIEYE...
It's as delicate as a piece of wet tissue paper. But it's a
microchip - and it could start restoring sight to blind people in the
very near future. Scientists call it an intraocular retinal
prosthesis, or "eye chip." It uses a small video camera in a set of
goggles to send images to the microchip fastened to the back of the
retina. Electrodes on the chip form an image that can stimulate the
retina and be "seen" by blind people. Researchers say its real
advantage is the chip directly hooks up to the most powerful
supercomputer in the world, the human brain. Stevie Wonder brought the
technology to light when he confirmed he was considering surgery to
implant the chip.

TODBIT: It is a comparatively recent insight that light travels from
the object to the eye. Until about 400 years ago, it was thought that
there was "something" in the eye that went out and saw the object.

...OR JUST GROW AN EYEBALL
Organ replacement may be more a matter of growing the organ you need
than waiting on a transplant list -- in the future. If creating an
organ from genetically-modified cells sounds impossible, don't tell
that to scientists in Ottawa, who have developed the first
bio-engineered artificial cornea. It's still a ways off before the
instant cornea can be transplanted in a human. But the development may
be good news for those opposed to animal testing, as the manufactured
cornea could present a viable alternative to experiments in which the
safety of products are tested by introducing them into the eye. The
cornea is the tissue layer that protects the eye and lets light
through. And it's one of the body's most complex organs - a massive
collection of different types of cells.

TODBIT: The sensitivity of the human eye is so keen that on a clear,
moonless night a person standing on a mountain can see a match being
struck as far as 50 miles away. Much to their amazement, astronauts in
orbit were able to see the wakes of ships.
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