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Thread: Has anyone tried IOT's new camber PAL

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    Master OptiBoarder OptiBoard Silver Supporter rdcoach5's Avatar
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    Has anyone tried IOT's new camber PAL

    Our local lab is gearing up to release the new camber progressive that they call Visionary. Has anyone personally tried this ?It combines their digtal free-form back surface design that compares to anyones best design- with an aspheric front.

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    OptiBoardaholic other_bill_fea's Avatar
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    We've been selling it since the beginning of the year, and I've had plenty of positive response to the lens. The usual wow point is with the reading area. Since the front curve is better matched to the Rx, this tends to be the area that gets the most improvement with Camber.
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    I have a pair on order soon, once I find a frame. Will let you know at some point.
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    I'm currently wearing Camber FF. It's a good lens, but I didn't get any "wow factor" with it. We're still trying it out on other staff to get their opinions on it before we decide to sell it to our patients.
    The bitterness of poor quality remains long after the sweetness of low price is forgotten.

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    OptiBoardaholic other_bill_fea's Avatar
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    I think the thing to keep in mind for "wow factor" is what you were wearing before, and also depends on what your Rx is.

    The major selling point of Camber is about the intermediate/reading being better, and being able to get a flatter lens for a high plus. So it's also about making the lenses more cosmetically appealing as well as better lens performance.
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    What's up? drk's Avatar
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    I have it on a few patients and the response has been positive. (How positive compared to other lenses? How in the world would we know without some elaborate study?)

    What you can say is that it is a very good lens.

    My impression, FWIW, is that the other IOT designs are "OK", but this one is "very good".

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    What is the highest positive Rx progressive lens you can make with Camber lens using their highest base curve in High index 1.67 .

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    What is the highest positive Rx progressive lens you can make with Camber lens using their highest base curve in High index 1.67 .

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    OptiBoardaholic other_bill_fea's Avatar
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    I'm not in front of the calculator to check, but it goes up to an 8 base in 167, so you should be able to get to a +8 or +9, but it could be slightly higher/lower depending on the rest of the Rx.
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    +8.00 Add3.00 ?

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    OptiBoardaholic other_bill_fea's Avatar
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    May work. If you want to PM me the whole RX and frame info I can run it through the calculator and let you know how it looks.
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    Eyes eastward... Uilleann's Avatar
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    So...

    ...aren't all progressive designs aspheric anyway? What else would make this design stand out?

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    Quote Originally Posted by icmor View Post
    I'm currently wearing Camber FF. It's a good lens, but I didn't get any "wow factor" with it. We're still trying it out on other staff to get their opinions on it before we decide to sell it to our patients.
    are you myopic or hyperopic? what were you wearing previously?

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    Master OptiBoarder OptiBoard Silver Supporter rdcoach5's Avatar
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    Quote Originally Posted by Uilleann View Post
    So...

    ...aren't all progressive designs aspheric anyway? What else would make this design stand out?
    This is atoric, and aspheric on the front side as well. No other lens does this and IOT and Younger have the patent.

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    I don't believe it has an aspheric torus geometry (Atoric) . It has a different kind of asphericity than the conventional simetrical radial asphericity lens . This lens has a horizontal asphericity which increases from top to bottom ,meaning to say it is flatter on the top and steeper on the bottom.

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    Master OptiBoarder OptiBoard Silver Supporter rdcoach5's Avatar
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    You're right, the front surface is aspheric, not atoric.
    http://www.camberlens.com/front_surface_innovation.aspx

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    After speaking to a Younger rep I was disapointed to learn that on progressive lenses even using the highest index material you can onely go up to +6.75 Dpts.

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    There are other very similar lenses as the Camber lens ; the Resona from Tokai /Japan and I've seen another that has a radial simetrical asphericity ,being flatter at the geometrical center and steeper towards the periphery of the whole lens .

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    Quote Originally Posted by Tito View Post
    After speaking to a Younger rep I was disapointed to learn that on progressive lenses even using the highest index material you can onely go up to +6.75 Dpts.
    I think there may be some miscommunication. powers above 6.75 are possible. It is dependent on base curve selection.

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    I just got a pair and am wearing them now but my add is only a +1.75 and it is definitely a different feeling when putting them on the first time. I wear mostly IOT trivex in the middle compensation version and this is different? I am feeling like they are better for the computer and reading (slightly) but the distance is fine. They are not compensated much but the total add power is slightly higher than the prescribed RX which is already different than the other compensated lenses.
    We are ordering them for my staff who are all over +2.50 add's and see what they say.

    It is not a radical game changer but should help with the high adds (2.50+) and cyl over 2D as long as the compensation is kept to a minimum. IOT has done a good job so I look forward to this product being helpful but I still do not know what the up charge is so we will see how we can fit in our lens system.

    We do not offer any choices (I pick all lenses for orders with my lab guy) so we would need to just give it to anyone with certain parameters once we determine who gets the real optical benefits from this technology.

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    Quote Originally Posted by hyperoptic View Post
    I think there may be some miscommunication. powers above 6.75 are possible. It is dependent on base curve selection.
    In your experience what is the highest power you can reach in the highest base curve for a progressive Lens?

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    Well in digital SV fronts the power is limited to the front base curve and the cumulative plus power so a cumulative plus power (distance +add) of 12.00 to 14.00 depending on whats available to you as far as lenses.

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    Quote Originally Posted by hyperoptic View Post
    Well in digital SV fronts the power is limited to the front base curve and the cumulative plus power so a cumulative plus power (distance +add) of 12.00 to 14.00 depending on whats available to you as far as lenses.
    On Younger web page under Camber lens technical specifications the highest base curve in 1.67 index is an 8 base ,with an actual surface convertion power it gives you 9.98Dpts .I understand that this would be within the central portion of the lens and that you have 2 Dpts extra down below,that's almost 12.00 Dpts.

    I also know that for a back side free form lens you need to add Far and near plus an extra margin in orden to avoid a completely flat near portion .

    So if the above analisys is correct the highest power that can be reached is +12.00 Dpts summing up far + near + extra margin.

    example +7.50 Add +3.00

    please advice.
    Last edited by Tito; 09-15-2014 at 11:23 AM.

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    Quote Originally Posted by Tito View Post
    On Younger web page under Camber lens technical specifications the highest base curve in 1.67 index is an 8 base ,with an actual surface convertion power it gives you 9.98Dpts .I understand that this would be within the central portion of the lens and that you have 2 Dpts extra down below,that's almost 12.00 Dpts.

    I also know that for a back side free form lens you need to add Far and near plus an extra margin in orden to avoid a completely flat near portion .

    So if the above analisys is correct the highest power that can be reached is +12.00 Dpts summing up far + near + extra margin.

    example +7.50 Add +3.00

    please advice.
    I would have to run a test calculaton to confirm this, but I believe you are correct. I am going to run some tests and I will get back with you.

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    Anyone using this lens?

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