Fresnel Prism Trial Set – 7 Ring Set
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.
Look at the catalog here
- - Model: FRSET2
- - Manufactured by: BERNELL