Adjustable Trial Frame
PD Range: 48-80mm
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Adjustable Trial Frame
PD Range: 48-80mm
| Brands | iAdvantec |
|---|


The Combination Horizontal Vertical Prism Bar provides accurate measurement of ocular deviation. This new combination prism bar resolves the problem by having the horizontal prism bar slide up and down in a channel affixed to the vertical prism bar.

This set includes red and green Hess Lasers that project a single dot of each color and specially adapted adult Red/Green Anaglyph Glasses to ensure good cancellation. The Hess Lasers can be used with a Hess Screen and a score sheet or with our parabolic Hess screens. Includes a pack of 50 score sheets and instructions.
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