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  1. That's a valid concern. I edge these specific...

    That's a valid concern. I edge these specific lenses in question and never have a crazing issue. I wouldn't recommend it across the board.
  2. I use these and cut on the slowest/softest...

    I use these and cut on the slowest/softest setting with the highest chuck pressure.
    ...
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    +1 You have to read the fine print on what...

    +1

    You have to read the fine print on what they mean by "fully clear". There is usually a materiel, temperature, and residual tint level listed somewhere, and it's never what any reasonable person...
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    FWIW I fit 2 friends with pretty gnarly Rxs in...

    FWIW I fit 2 friends with pretty gnarly Rxs in the Endless(not the plus), they couldn't tell much of a difference between that and the compensated IOT lens they had been wearing. Their Rxs may have...
  5. I can not disagree with this sentiment strongly...

    I can not disagree with this sentiment strongly enough. Fighting technology because it might put you out of a job is a losing battle. If the only thing separating LensCraftes from independent...
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    John has a video about it with Tina from IOT. ...

    John has a video about it with Tina from IOT.
    https://www.optiboard.com/forums/showthread.php/72695-This-Weeks-Video-IOT-s-New-Digital-Ray-Path-2-Talk
  7. For my own personal career, it's the difference...

    For my own personal career, it's the difference of me being between a retail worker(salesperson) and healthcare worker(optician), YMMV.
  8. What blue light coating do you offer? Is there a...

    What blue light coating do you offer? Is there a spectral transmission chart showing it blocks 30% of blue light? What wavelength range are you counting as "blue light"? Seems like that would be an...
  9. This is sound advice, but good luck getting a...

    This is sound advice, but good luck getting a doctor to call back and optician. I live in a large metro area and can think of two doctors off of the top of my head that I could actually speak to if I...
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    Does not know answer when told, got it. I'm out.

    Does not know answer when told, got it. I'm out.
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    If that's not enough you can refer to...

    If that's not enough you can refer to Understanding Lens Surfacing by Clifford Brooks chapter 16. Yes there in entire chapter called "Creating horizontal prism with the near addition". Most of it is...
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    It's not. Here is another thread explaining it....

    It's not. Here is another thread explaining it. https://www.optiboard.com/forums/showthread.php/3353-Prism-at-near-using-decentration


    Now if you want to say that thread is wrong as well, go...
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    If you want base in near only, use the segment...

    If you want base in near only, use the segment power and Prentice's rule to determine additional inset needed to produce the desired prism. This usually requires the widest available seg ST35/40/45,...
  14. Shuron still makes the Ronstrong with cable...

    Shuron still makes the Ronstrong with cable temples. Not as good as they used to be, and they sell directly to the public, but fits the bill.
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    I find this to be a very bizarre comment. Would...

    I find this to be a very bizarre comment. Would you care to elaborate as to what about "digital progressives"(pretty vague) older folks don't like?
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    Because $$$$$$$. It cost them pennies to mass...

    Because $$$$$$$. It cost them pennies to mass product mold injected frames, and they don't care about putting and Rx in them. The companies that do Rx their own frames have such a laughably small Rx...
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    Yes, I understand all of this. Drk is asking for...

    Yes, I understand all of this. Drk is asking for directions to the grocery store and is being given directions to the Porsche dealer to get the to grocery store in record time. I obviously didn't say...
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    Yes clearly an MEI is the bee' knees, best...

    Yes clearly an MEI is the bee' knees, best around, do just about anything edger. I think it's an incredible machine. It can certainly tackle difficult jobs faster and easier than just about any other...
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    Depends on how good you are on the hand stone I...

    Depends on how good you are on the hand stone I guess. Maybe I'm missing something here. What kind of magic bevel is an MEI going to put on the back of the lens that could be done on the hand stone...
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    That looks like it was cleaned with harsh...

    That looks like it was cleaned with harsh chemicals rather than crazing, or the coating was bad to start with.
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    It's probably not something you can easily get,...

    It's probably not something you can easily get, but Lindberg rimless mount through the back of the lens with no compression fittings so edge thickness does not matter. I have made a few over -16.00...
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    It is the backside hide-a-bevel that is usually...

    It is the backside hide-a-bevel that is usually the issue, sometimes size as well. I would take it to the handstone and change the angle on the back of the bevel on the temporal edge until it fits...
  23. No problem. Hopefully I can get the pictures to...

    No problem. Hopefully I can get the pictures to work on this try.
  24. Here are some pictures that might help you...

    Here are some pictures that might help you visualize it better. 2 are 3d renderings to help with the visualization of what is happening, and 2 are just 2d to look at the math. I made these in plano...
  25. Am I taking crazy pills? Are you talking about...

    Am I taking crazy pills? Are you talking about comment #12?
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