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Fresnel Trial Sets- Low Power
Product Description
Available with or without handle to allow for unobstructed, 360 degree rotation.
Raised ridge prevents prism edges from touching table.
* Allow accurate testing of large oculomotor imbalances in the trial frame.* Fits all standard trial frames, 38mm lens.
* Offers 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. TS 4000: 2^, 3^, 4^, 5^, 6^, 8^, 10^ TS 4000 NH – No Handles TS 5000: 12^, 15, 20^, 25^, 30^, 35^, 40^ TS 5000 NH – No Handles
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 would not be a good candidate for a Fresnel press-on prism
| Weight | 1 kg |
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