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Vergence Facility Prism (12D Base-Out/3D Base-In)


Item #: G1110+
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  • Vergence Facility Prism - Prism on a Stick
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  • Vergence Facility Prism - Prism without Stick
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Vergence Facility Prism

A good binocular screening device. Performed at a distance of 40 cm with a target of 20/30. Most normal patients can cycle between these prims 15/minute. Those with difficulty should be more thoroughly tested.

12D Base-Out and 3D Base-In.

Prism is 1.5 inches square.
12D Base-Out and 3D Base-In.

Prism is 1.5 inches square.

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