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Thread: Round Seg Help

  1. #1
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    Round Seg Help

    How do I line up a round Seg on my edger? Do I align the middle of the top of the round Seg with the middle of my Dseg picture on the edger?

  2. #2
    Master OptiBoarder
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    You must first spot the distance similar to the way you would a single vision. If it is a sphere only then the OC must be aligned based on inset.

    Use markings for cylinder axis reference and align round in the "Dseg Picture"

    Round and Blended Bifocal Centration and Blocking - YouTube

  3. #3
    Master OptiBoarder DanLiv's Avatar
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    Quote Originally Posted by Neophyte Optician View Post
    Do I align the middle of the top of the round Seg with the middle of my Dseg picture on the edger?
    Yes. And PRECISIONLAB is correct, since you don't have the nice flat line to determine the axis of the lens you need to spot it up manually like a SV. Axis first like a SV, then seg height and near PD like a segment.

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