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  1. Sorry I should have been clear you need to create...

    Sorry I should have been clear you need to create the program for conversion. It looks like the full paste in you posted has everything it needs and understandable as well. I'll take a better look...
  2. Wow other than Michael Keatings books this is...

    Wow other than Michael Keatings books this is probably the second. Book that apply matrix based mathematics to ophthalmic optics. Come on people it's 2019, stop using 1 dimensional formulas and...
  3. DO record indicates that both lenses will be...

    DO record indicates that both lenses will be supplied and the record apply to both
    ANS record indicates it's an answer packet from the TRC tracer
    JOB record is the job number in this case they are...
  4. Since I'm no longer in the field I can give one...

    Since I'm no longer in the field I can give one of my best vertex measuring device secrets away. Take a simple PR ruler with see through windows (you know the ones that sit on the bridge and have a...
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    Drk, right on man, except look at the legs of...

    Drk, right on man, except look at the legs of your W if the path traveled through the mirror is through the legs of the W, the person in the middle would have one small leg to travel through to the...
  6. Nailed it, best form base curves can be estimated...

    Nailed it, best form base curves can be estimated with vogels rule, thats where plus 6 comes from it's the guesstimated optimal back curve. demo lenses have a curvature to which you can clock, it...
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    2.3333...m x 1.3333...m, PM for formulas and...

    2.3333...m x 1.3333...m, PM for formulas and explanation. There is a simple explanation that applies to this scenario and a more advanced catoptric formula that will come up later when the mirror...
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    699

    Don't think of it as a chiller think of it as a...

    Don't think of it as a chiller think of it as a heat exchanger, if you move it to an already hot location it's going to be working double duty to chill if it even chills at all. It will also...
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    Who is John Galt?

    Who is John Galt?
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    Used them for years and loved them. The remake...

    Used them for years and loved them. The remake policy isnt for everyone but we implemented some strategies that mitigated patient satisfaction losses and I have a higher expectation for measurement...
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    Sure why not.

    Sure why not.
  12. Replies
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    5,297

    From what I can make out he Visi Office has the...

    From what I can make out he Visi Office has the patient stare straight forward and then rotate their eyes to look at a fixation point a set distance to one side or the other. The measurements are...
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    2,474

    PM an email address and I can send you a research...

    PM an email address and I can send you a research project done less than 15 years ago from a highly respected optometrist / researcher out of a recognized optometric university that highlights 90...
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    5,297

    Best form = the optimal surface to acheive design...

    Best form = the optimal surface to acheive design goals. Interestingly enough this can mean many different things. Thinnest profile could mean flatest lens, minimum astigmatic error could mean a...
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    All free form lenses should provide best form...

    All free form lenses should provide best form optimization.

    - This could mean they optimize the surfaces for a non best form base curve to reduce abberations. This can mean different things, they...
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    +1, not enough lens in any available blank...

    +1, not enough lens in any available blank created that can create abbe issues on a +0.25. Poly Hate = no bueno.
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    2,785

    I dont see how we disagree, when necessary...

    I dont see how we disagree, when necessary customization is a good thing. I just make sure that customizing the placement of default magnet placements are not done willy nilly. i know people that...
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    The best suggestion i have for those making chem...

    The best suggestion i have for those making chem clips, standardize your mag placement. i know tons of people who like to move the mag for every frame and *customize* the fit. The down side to...
  19. +1 for a live lecture. Maybe a hybrid lecture in...

    +1 for a live lecture. Maybe a hybrid lecture in a densely populated city with concurrent live cast of the lecture to those outside of the feasable travel distance. I'm in for $100.
  20. You can use prism thinning with prescribed prism....

    You can use prism thinning with prescribed prism. The only time any prism is problematic is if the user views through a high amount of prism and the material is crummy = chromatic aberration which...
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    Edmund Optics -...

    Edmund Optics - https://www.edmundoptics.com/optics/polarizers/waveplates-retarders/polymer-retarder-film/

    They're about $10 for a sheet, I usually buy and keep on hand a 1/4 and a 1/2, you could...
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    Connect the scanner at 9600 8N1 that's fairly...

    Connect the scanner at 9600 8N1 that's fairly standard if you can post the output from your hyperterminal session and a known barcode input I have a theory, if correct the results can be used to...
  23. What's the issue? Don't blame any material...

    What's the issue? Don't blame any material without first laying out your problem and coming up with a sound theory otherwise you just bias your findings and fool yourself into a solution that may...
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    Anyone that knows what the transmission looks...

    Anyone that knows what the transmission looks like won't share that information and I can't seem to purchase or borrow a bar code scanner that works with a santinelli machine. The devices cost a...
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    If your trying to sag for power you could clock...

    If your trying to sag for power you could clock the back of usually a spherically molded, caliper the thickness and read the back vertex power then calculate the front appropriately, with that known...
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