Vision Therapy, Prism, Risley Rotary Prism
SKU : 467300
Risley Rotary Prism 20PD
SKU : 467300
Large aperture (1″/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Risley Rotary Prism; +/- 20 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
Large aperture (1″/23mm) rotating Prisms permit more flexibility compared to your Phoropter. Risley Rotary Prism; +/- 20 PD with handles. The Prisms are controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected and rotates thru 30 PD right-exo to 30 PD left-eso.
| Brands | Good Lite |
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