Phoria Measure

The Phoria Measure is a rotary monocular Maddox hand frame used vertically or horizontally with either eye. Incorporates a rotating 10D prism. Exophoria or esophoria shows up in diopters when subject see streak pass through spot of light. Red Maddox Rods are perpendicular to the handle. Therefore, when handle is vertical, Maddox Rods are horizontal and the patient sees a vertical streak. When the handle is horizontal, Maddox Rods are vertical and the patient sees a horizontal streak. A scale from 0 - 10 prism diopters indicates the measure of imbalance. Phoria Measure is supplied with case.

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