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 separate sets providing a full range of prisms.