• Howell Phoria Card™ Complete Set Near & Distance Chart with Stick Prism (Buy and Save $10!) Howell Phoria Card™
    Complete Set
    Near & Distance Chart
    with Stick Prism
    (Buy and Save $10!)     		Item # CDHPSET
    		Qty $92.95
    Howell Phoria Card™ (Distance Chart and Stick Prism) Howell Phoria Card™
    (Distance Chart and Stick Prism)     		Item # CDHPC
    		Qty $55.95
    Howell Phoria Card™ (Near Chart and Stick Prism) Howell Phoria Card™
    (Near Chart and Stick Prism)     		Item # CDHPCN
    		Qty $51.95
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         		Howell Phoria Card™

    $51.95 - $92.95
    Product Number: CDHP


    Howell Phoria Card™

    Both Near and Far come with a single 6 PD stick prism.

    These cards allow direct measurement of the distance and near phorias in real space or with a phorpter. The patient simple has to tell which number the arrow points to. Any odd number (in yellow) shows esophoria while the even numbers (in blue) shows exophoria. An AC/A can quickly be determined with trial lenses.

    The reverse side of the near card has a X-Cyl target, and a variety of letter and word targets.

    Near card is about 12" wide.

    Distance chart is about 24" wide.

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