Archived posting to the Leica Users Group, 2004/03/04

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Subject: Re: [Leica] new lens technology
From: "David E. Labovitz" <del@pscc.com>
Date: Fri, 5 Mar 2004 00:34:20 -0500

Richard --

Were the eyeglasses ever really practical?  It seemed like a revolutionary idea when I first heard about them.

The new Phillips technology appears, at first glance, to be capable of very precise control and resolution.

Dave.


On 3/4/04 at 20:48, rclompus@cox.net wrote:

|Dave,
|
|I have worked with the glasses you mentioned.  They were indeed for
|use in underdeveloped countries.  The lens power was adjustable by the
|user or a breifly trained technician to correct for small to moderate
|amounts of hyperopia (farsightedness) or myopia (nearsightedness). 
|The lenses were made from a stiff membrane on one side, a more
|flexible membrane on the other and oil in between.  A syringe type
|device "injected" the right amount of oil to create a plus or minus
|power lens.  It is still in development.  The lens mentioned in the
|article by Phillips could have broader usage than spectacle lenses. 
|Interesting technology.  On the other hand, it may be a "cure" looking
|for a "disease."
|
|Richard Clompus, OD Roaonke, VA
|
|> 
|> From: "David E. Labovitz" <del@pscc.com> Date: 2004/03/04 Thu AM
|> 08:07:54 EST To: leica-users@mejac.palo-alto.ca.us Subject: Re:
|> [Leica] new lens technology
|> 
|> I recall some years ago a mechanical (hydraulic?) technology being 
|developed for use in field-adjustable plastic eyeglasses for
|distribution in under-developed, poorly-endowed parts of the world.
|> 
|> This, however, sounds like a real barn-buster.
|> 
|> Dave.
|> 
|> On 3/3/04 at 17:28, Dan C <leicaman@sympatico.ca> wrote:
|> 
|> |http://www.dpreview.com/news/0403/04030302philipsfluidlens.asp
...
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