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Thread: R-P, Macular Degeneration, Albino's etc.

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    Blue Jumper

    Anyone out there old enough to remember 3 lenses Dow/Corning had out for patients with macular degeneration, albinism, and/or retinitus pigmintosa? The lenses varied from a yellowish orange to a reddish orange. Don't remember what they were called, what they were supposed to do except reduce "wash out" from bright light.

    Chip

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    Bad address email on file Rich R's Avatar
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    I do remember a sales rep from Younger Optics in Los Angeles, CA showing me samples of what you're talking about a long time ago. I don't have their phone number handy, but if you're interested I'm sure it's easy to find.
    Hope this helps. Rich R

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    Forever Liz's Dad Steve Machol's Avatar
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    The only thing I can recall similar to this was Ambermatic lens. I don't think this was designed for this purpose however.

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    Chip,
    I believe the lenses you are referring to are Cornings CPF series. They are still available from Corning Medical Optics. (800-742-5273)

    The Younger Lenses were the PLS series. The PLS-530 and PLS-540 were great lenses, unfortunately they are no longer available. Seems a tint company says that their tint will do the same thing. I have tried to talk them into reintroducing the lens series in Polaroid. So far no luck.

    Jerry

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    Chip,

    I screwed up my first reply to your post so I'll try again:

    I believe the lenses you are referring to are Corning's CPF500 and CPF550 lenses. They blocked UVA, UVB, and visible blue light to whatever limit was set by the lens. The lenses were photochromic, and were designed (originally) to help folks with retinitis pigmentosa who have difficulty with varying light levels. The lenses, in essence, were the first "BlueBlockers"- so I guess we have Corning to thank for that product! As far as I know they are still available from Corning- they grind the lenses and mount them in the frame you send them.

    Hope this helps-

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    Master OptiBoarder Jeff Trail's Avatar
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    Unhappy

    If you want to dig for it and do some research Corning also refers to the lens series as "Corning Glare Control"


    Jeff

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    Forever Liz's Dad Steve Machol's Avatar
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    Ahh - Jerry is right. These are the Corning CPF lenses. I misread Chip's message and thought he was referring to a lens that changed from 'yellowish orange to a reddish orange'. Hence my confusion with Ambermatic.

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    Bad address email on file Darris Chambless's Avatar
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    Redhot Jumper

    Hey All,

    Corning Medical Optics CPF series for macular Degeneration. CPF 511, CPF 527 (my favorite) and CPF 550. There are also two 400 series lenses as well. I have some information on them and will see if I can dig it up.

    Before you try to sell these lenses know two things 1) It takes a long time to get them (I have had some take as long as 4 months to get) 2) They AIN'T cheap ;-) so before you quote a price or a delivery time get the info.

    The last time I ordered plano clip-ons from them they were three figures my cost. A pair of plano uncuts took 2 to 3 months to get and were also three figures my cost.

    Hope that helps with some particulars,

    Darris C.

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    Master OptiBoarder Texas Ranger's Avatar
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    I had to get a pair about a month ago. cpf-530's. Ft-28 bifocal +4.00 add, took about ten days and cost about 172.00
    Al.

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    OptiBoard Apprentice Bill M's Avatar
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    I don't know if they still have it, but North American Coatings had a series of coatings similar to the Younger PLS.

  11. #11
    Moderator - Joann Raytar Jo's Avatar
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    There isn't a ton of information here but Corning does have a website. They have 6 filter levels available in CPF lenses.
    http://www.corning.com/company_info/...recontrol.html

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