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Fresnel Prism Trial Set - 7 Ring Set (2PD-10PD)

Item #: FRSET1

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Raised ridge prevents prism edges from touching table.

• Allow accurate testing of large oculomotor imbalances in the trial frame.

• Fits all standard trial frames.

• Offer excellent optical qualities.

• Made of thin optical quality acrylic and are lightweight.

• Each set includes a display box.

• Available as two sets providing a full range of prisms.

Fresnel trial sets are indispensable as a tool for the proper evaluation of ocular motility disturbances.

These acrylic prisms allow for a more accurate evaluation of large-angle deviations.

Because a rigid Fresnel prism reduces vision less and creates less distortion and aberration than the press-on prism of a corresponding power, the practitioner can more accurately determine the tolerance to a given press-on.

The patient who is not able to tolerate a prism from the trial set due to its side effects may not be a good candidate for a Fresnel press-on prism.
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