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'[EE]:: A new way of wrecking (correcting) your eye'
2007\06\04@200858 by Russell McMahon

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At last - a system which promises to end the practice of butchering
your eyes by laser surgery in order to correct your eyesight - for the
short to medium term anyway.

Now there's conductive keratoplasty where they instead butcher your
eyes with RF.

       http://www.bbc.co.uk/skillswise/inthenews/numbers/0206.shtml

At least with this system they just warp your cornea with focussed RF
in a number of spots to alter curvature, rather than actually cutting
it as in laser LASIC "surgery". This is prone to disintegration under
low atmospheric pressure conditions (thereby saving at least one
person's life)(but only just) and has unknown long term effects.

Interesting to see that 10% of the people who will pay $US2000+ for it
do not achieve significantly improved sight.

It would be interesting to see what (if any) effect "blended vision"
had on stereoscopy and on activities which unconsciously relied on it
in its previous imperfect form - such as driving a motor vehicle.





           Russell

_____________________

A new treatment, which reverses the damage caused to the eyes by
ageing, has now become available in this country.

The painless procedure, called conductive keratoplasty (CK), uses
radio waves to reshape the eye without surgery.

The treatment lasts just five minutes and costs between £1,000 and
£1,500.

Doctors believe it could eclipse laser correction treatment in terms
of popularity.

Patients are first given anaesthetic drops to numb the eye. Doctors
then use a tiny probe, which is as fine as human hair, to emit
tightly-focused radio waves at specific points on the surface of the
eye around the cornea.

The number of points can range from eight to 32 depending on the
severity of long-sightedness.

This heat helps to slightly shrink the collagen in the eye. This in
turn squeezes the cornea and steepens its curvature, correcting sight.

The technique can be used on both eyes to correct long-sight. But it
can also be used on just one eye. This is particularly useful for
people who need glasses to read.

They develop what is called "blended vision". They use one eye to read
and the other to see in the distance.

The procedure is painless and patients can return to work or drive
home that day. The improvements are almost instant.

The treatment was approved by authorities in the United States and
European Union last year.

Studies in the US have shown it significantly improved the sight of
nine out of 10 patients and half achieved perfect eyesight.

2007\06\05@052848 by Pic

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Wow - I am so glad it is not only I that have a serious aversion to this
rapid uptake of cutting and burning/scaring of corneas. I know a few people
who have had this done and feel that their vision is great. However, the
risks and the longterm effects are far higher than I am prepared to risk.



{Original Message removed}

2007\06\05@055152 by Russell McMahon

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> Wow - I am so glad it is not only I that have a serious aversion to
> this
> rapid uptake of cutting and burning/scaring of corneas.

It's the antipodean* West Auckland water that does it.



       Russell McMahon



* The Bishop-Auckland West-    Auckland type may not have the same
effect.


2007\06\05@234943 by Nate Duehr

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On Jun 4, 2007, at 6:08 PM, Russell McMahon wrote:

> It would be interesting to see what (if any) effect "blended vision"
> had on stereoscopy and on activities which unconsciously relied on it
> in its previous imperfect form - such as driving a motor vehicle.

It's also called "monovision" if you want another search term to look  
for, and has been used successfully for quite some time longer than  
eye surgery was used to do it.  (It can also be done with glasses, of  
course... in cases of severe corrections where one eye is corrected  
for far-sightedness and the other for near-sightedness.)

Whatever works... I knew an airline pilot who had tri-focals (once  
you're hired, eyesight just has to meet the First Class Medical  
requirements) in his later years where the tri-focals were in the TOP  
1/3 of his lenses, so he could read the switches on the overhead.  
Whatever works.

(His experience level made him safer even without his glasses than  
any newbie with 20/20 vision.)

--
Nate Duehr
spam_OUTnateTakeThisOuTspamnatetech.com



2007\06\06@090728 by Gerhard Fiedler

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Russell McMahon wrote:

>> Wow - I am so glad it is not only I that have a serious aversion to this
>> rapid uptake of cutting and burning/scaring of corneas.
>
> It's the antipodean* West Auckland water that does it.

You're sure about this? I don't know where I would have gotten into contact
with it. But maybe there's a "Smith-Effect" that makes this work by
sympathetic resonance over distance, just by thinking it might :)

Gerhard

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