Phoroptor® Phoroptor® has a Ultramatic RX Master Phoroptor. The first, and best refracting instrument, continues to be the industry standard after nearly 80 years, offering world-renown mechanical quality and craftsmanship. Benefits: - Every Phoroptor has that unmistakeable feel of quality. - The smooth rotation of the dials. - The virtual absence of play in the mechanisms. The decisive, solid click of the control knobs. - Constant reminders that you're using the world's finest refracting instrument. - It's a fit and feel no one can duplicate, any more than they can duplicate the Phoroptor's optical quality, accuracy and reliabilty.