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Thread: Need Help Interpeting a Libyan Rx

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    Need Help Interpeting a Libyan Rx

    Any idea how to know the correct Rx. I've had one optician tell me that he remembered that when an Rx is in brackets that it adds +1.00 to to the sphere. Anyone have any input?
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    OptiBoard Professional Kujiradesu's Avatar
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    Never seen this before, but it could be an over-refraction. In that case the sphere and the cyls would have to be combined:

    Starting with the spheres:
    OD +1.00
    OS +0.75
    Combined with:
    OD +0.00 -2.75 X107
    OS +0.00 -2.50 X082

    and finally:
    OD +1.00 -2.75 X107
    OS +0.75 -2.50 X082

    BUT thats only if this is indeed an over-refraction. Which I have to say, Im really not sure that it is. Just guessing.
    Optical Cross: n. crucifixion apparatus used by the New Jersey State Board.

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    opti-tipster harry a saake's Avatar
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    rx libyan

    Quote Originally Posted by Kujiradesu View Post
    Never seen this before, but it could be an over-refraction. In that case the sphere and the cyls would have to be combined:

    Starting with the spheres:
    OD +1.00
    OS +0.75
    Combined with:
    OD +0.00 -2.75 X107
    OS +0.00 -2.50 X082

    and finally:
    OD +1.00 -2.75 X107
    OS +0.75 -2.50 X082

    BUT thats only if this is indeed an over-refraction. Which I have to say, Im really not sure that it is. Just guessing.
    contact on the board here jerry huang

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    Master OptiBoarder rbaker's Avatar
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    What a small world we live in these days and Google knows all. I Googled "libya ophthalmologist" and came up with this (among 633,000 other sites.)

    I'll bet an email will solve your problem. You might even be able to get the PD.

    http://www.icoph.org/advancing_leade...c-Society.html

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    Ghost in the OptiMachine Quince's Avatar
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    It's relieving to know doctors have terrible handwriting all over the world.
    Have I told you today how much I hate poly?

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    What's up? drk's Avatar
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    I think those little protractor-thingies are pointing to WTR cyl axes, not ATR.

    So, I'll build off of Kujir's guess:

    +1.00-2.75x017
    +0.75-2.50x172

    This is assuming "a funky '1'".

    What do we win, if we're right?!!

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    My Brain Hurts jpways's Avatar
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    For the axes, I'm thinking that thing before the number might be the notation for axis and it's axis 7 and 72, respectfully

    Of course with the OS sphere that looks to me like it says +0,7(check mark), though I agree it's +0.75, I'd definitely contact someone in Libya or trial frame what I think it is.
    Last edited by jpways; 05-01-2017 at 11:55 AM.

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    My Brain Hurts jpways's Avatar
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    And I just noticed the angle marks on the top of the rx (between the name and the written rx) I'm pretty sure it's axis 17 and 172
    (so it's written as /1 7 [because the / and 1 are way too close] and /1 72)

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    Master OptiBoarder
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    I once had a RX written by a optometrist trained in Scotland who added similar angel marks right after the axis number in his Rx. These angles are added there in case you can't make out the written Rx 017 and 172 axis notation.

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    OptiBoard Apprentice OptiBoard Bronze Supporter
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    Quote Originally Posted by bull city optician View Post
    Any idea how to know the correct Rx. I've had one optician tell me that he remembered that when an Rx is in brackets that it adds +1.00 to to the sphere. Anyone have any input?
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    Why don't you try trial framing the different possibilities? Might put the numbers on a lens cross.

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    OptiBoard Professional Kujiradesu's Avatar
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    I'm surprised that a definitive answer to the original question has not been posted.

    OP (bull city optician) can you let us know if you resolved what the Dr. was intending the prescription to be? Or what happened? Did you let the Px leave never to return? Inquiring minds want to know.
    Optical Cross: n. crucifixion apparatus used by the New Jersey State Board.

    "It is not knowing, but the love of learning, that characterizes the scientific [person]." -Charles Sanders Peirce

    "A concept is a brick. It can be used to build a courthouse of reason. Or it can be thrown through the window. -Gilles Deleuze

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    Quote Originally Posted by Kujiradesu View Post
    Inquiring minds want to know.
    Yes... who knows if this will come up for someone else in the future!

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    Rising Star
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    My guess: +1.00 -2.75 x 007
    +0.75 -2.50 x 172
    I would trial frame the patient just in case

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    It reminds of a Brazilian script but no brackets . I enjoy the pointer dial concept just so the RX is somewhat verified in case of the lousy handwriting or similar 2's and 7's or possible 070 vs 170. Keep in mind, languages like this you read right to left. (possible reason for the brackets?)

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