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  1. Replies
    6
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    382

    Agree about hard coat but also there can be...

    Agree about hard coat but also there can be static effects on tint as well. Cleaning with water and a couple of drops of dawn dish soap can help as well.
  2. Replies
    31
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    14,983

    Ugh. I hate wood frames. It is simply not an...

    Ugh. I hate wood frames. It is simply not an appropriate material to make eyeglasses out of. But if you are making wood frames please make sure that the eyewire can be unscrewed to allow a little bit...
  3. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    But why are offices using trivex instead of cr in...

    But why are offices using trivex instead of cr in low rxs. Trivex is fine. It’s just not that special and I think there is a lot of unjustified snobbery around using it.
  4. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    It's not that Trixex is too hard to work with,...

    It's not that Trixex is too hard to work with, it's that it's notably harder to work than other materials without offering significant benefits. I'd rather have optical professionals be a bit more...
  5. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    Anyone who swears by Trivex should first have to...

    Anyone who swears by Trivex should first have to work in a lab for a year then say how they feel. Trivex is fine but Poly is better when all things factors are considered and compared, i.e price,...
  6. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    Most poly is fine. if you are buy from a...

    Most poly is fine. if you are buy from a reputable lab they are getting their poly from Vision Ease, Essilor, Zeiss etc. And even Somo is fine. I really think you can generalize since you have to be...
  7. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    Agreed. It is lighter, and thus does have a...

    Agreed. It is lighter, and thus does have a place, but considering how difficult it is to process it should not be a default. There are lots of offices that proudly say that they don't use CR or Poly...
  8. Replies
    5
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    366

    BTW anti-fatigue lenses are PALs they just have a...

    BTW anti-fatigue lenses are PALs they just have a lower add so require less blending. 1.25 is above the add in any anti-fatigue I'm familiar with, but the Eyezen 4 is, I think, a 1.11 or something....
  9. Thread: Poly for the win?

    by ePii
    Replies
    70
    Views
    2,499

    I think the vast majority of patients are fine...

    I think the vast majority of patients are fine with poly. Trivex, is nothing magical, and is over used by people who think it's a must to be a high end optical. Its abbe value is no where near CR and...
  10. Replies
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    1,004

    oh and Barry never stop being you. I'm fine with...

    oh and Barry never stop being you. I'm fine with Epistemology.
  11. Replies
    18
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    1,004

    The right axis is what the patient is happy with....

    The right axis is what the patient is happy with. But in this case tell the patient to wear it for a couple days and see if they get used to it. If you have an Rx like this, or even one not nearly as...
  12. Replies
    5
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    820

    I think the problem is you have to wade through...

    I think the problem is you have to wade through propaganda from each company that is meant to obfuscate. If you'd like to PM, I'd be happy to give you my crash course on how to evaluate different...
  13. Replies
    3
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    445

    In terms of designs, just go to IOT. Their...

    In terms of designs, just go to IOT. Their designs are as good as anything out there. In terms of AR I really believe to be competitive you need to have a thermal dipped hard coat, any UV cured spin...
  14. Replies
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    570

    Vision Ease used to have them, now I suppose...

    Vision Ease used to have them, now I suppose contact Hoya.
  15. Replies
    3
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    412

    Basically you will want to calculate EBITDA...

    Basically you will want to calculate EBITDA (Earnings Before Interest, Tax, Depreciation and Amortization). This is can be thought of similar to an annual profit. Ask if you can speak directly to...
  16. Replies
    7
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    560

    Blutech makes kids glasses. Not AR but actually...

    Blutech makes kids glasses. Not AR but actually has a significant amount of HEV blocking. Remember with the visible spectrum what the lens looks like is what the lens is doing.
  17. The AI is the same design as A3 except it has a...

    The AI is the same design as A3 except it has a variable inset. They're good designs with a quicker rate of change from distance to about a 4/5 feet focal distance and a slower rate of change below...
  18. Replies
    14
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    12,656

    Find a good independent lab with a top tier...

    Find a good independent lab with a top tier proprietary design. Every one knows the same technology and you can get a lens comparable to the most expensive lenses out there for less than 1/3 the...
  19. Replies
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    1,143

    The blue pens are 405 nm +/- 10mw they only...

    The blue pens are 405 nm +/- 10mw they only perform their magic trick with products focused in the 400-420 nm range(for instants Mitsui Chemicals UV++). Many products now are focused on the 435-455...
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