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Thread: Hoya Array identifier question

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    Master OptiBoarder OptiBoard Silver Supporter ak47's Avatar
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    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?

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    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 "7" would correspond to 17mm fixed corridor length

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