Risley prism ОКП-20
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¥ 75.00
Description:
- The magnitude of the prismatic action: from 0 to 20 srad
- Overall dimensions: 38 * 62 * 13 mm
- Cage case diameter: 37 mm
- Luminous diameter: 18 mm
- Thickness: no more than 13 mm
- Weight: 30 g
Description
It is intended for measurement of heterophoria and fusional reserves, selection of prismatic elements of spectacle correction and for exercises for the development of fusion at the final stage of strabismus treatment. It can be used as a corrective prismatic element in a trial spectacle frame and as an independent device. It is used in clinical practice.
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¥ 75.00