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Thread: Lens comparison chart

  1. #1
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    Lens comparison chart

    Hello.
    Can anyone point me in the direction of a chart that shows thickness differences at same powers by index? I am looking for something we can use to show patients how using different materials adjusts thickness of the lens in either plus or minus form.

    Thanks in advance!

  2. #2
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    Zeiss has one, Pretty sure Essilor has one. Probably most brands have them, ask your lab (unless you are your lab, then ask your supplier.

  3. #3
    Underemployed Genius Jacqui's Avatar
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    Or dig out your calculator and make your own.

  4. #4
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    I was looking for a visual chart that shows how the curves differ at the same power comparing materials.

  5. #5
    Master OptiBoarder
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    I have some old Seiko ones that I could fax you. They are not great, but I can't find anything for you online.

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