Archived posting to the Leica Users Group, 2004/03/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Josh Silver was the English gentleman who came up with the idea. Brilliant fellow. They are practical but I'm not sure if they were ever commercialized. The lenses tended to be a little thicker than ground lenses. But in the third world where vision care and corrective lenses are not widely available, it is a very good concept. Hopefully a company will pick up on it and make it happen. Even in the U.S., it is amazing how eyecare can be overlooked. Richard > > From: "David E. Labovitz" <del@pscc.com> > Date: 2004/03/05 Fri AM 12:34:20 EST > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] new lens technology > > 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 > ... > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html