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  • Recent Forum Posts

    Pete Hanlin

    To Don and Quig's points, check your ANSI Z80...

    To Don and Quig's points, check your ANSI Z80 standards to determine if the lens falls within standards (at only 2-3 degrees off, it should unless the patient has considerable cylinder).

    If the...

    Pete Hanlin 09-16-2019, 08:20 PM Go to last post
    tmorse

    Our training prepares you for a career as an...

    Our training prepares you for a career as an Optician, and not for sitting the IGOEE or just Geometric Optics. See our school website... www.bccollegeofoptics.ca for course particulars.

    Our BC...

    tmorse 09-16-2019, 04:51 PM Go to last post
    bretk0923

    Corridor length, if I'm not mistaken. If the...

    Corridor length, if I'm not mistaken. If the extra number is present, it means that it is a fixed corridor length, and the number corresponds to the ones digit of corridor length. In your case, the...

    bretk0923 09-16-2019, 01:30 PM Go to last post
    ak47

    Hoya Array identifier question

    Have a new patient that appears to be wearing a Hoya Array lens and is very happy with it. Nasal markings are "Y75." The 5 indicates 1.67, can anyone explain what the 7 means?

    ak47 09-16-2019, 12:50 PM Go to last post
    Pete Hanlin

    You can usually use a lens clock to ascertain if...

    You can usually use a lens clock to ascertain if a surface is aspheric (you just can't measure the true curve of the lens), because the reading on an aspheric surface will alter somewhat from center...

    Pete Hanlin 09-16-2019, 12:35 PM Go to last post
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