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    Base calculation

    Let say, there is a prescription:

    SPH: +6.25 D CYL: - 2.50 D

    The lens will process in lab from Plastic (PLS), Single Vision (SV), Hi-Index (1.6)

    QUERY:


    How to calculate (formula)...
  2. Replies
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    Thanks - i m waiting...

    Thanks for your concern, I am waiting your reply.

    It will be highly appreciated.

    Rizwan ul Haque
  3. Replies
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    3,653

    Lab calculation books

    MEMBERS:

    WE NEED A LAB CALCULATION BOOK TO CALCULATE THE PROCESS VALUES TO MAKE FINISHED LENS BY SEMI FINISH OR ROUGH LENS.

    THANKS IN ADVANCE

    RIZWAN UL HAQUE
    Project Manager
    Cell #:...
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