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Large OculoMotor Assessment Tool (OMAT)

Product Number: 18012

Purchase the Large OculoMotor Assessment Tool (OMAT) from Gulden.  This innovative device is perfect for vergence and saccade testing.  The two bars connect via magnets for easy use and convenient storage in the included clear caseNote:  Utilization of this tool for saccadic movements is the equivalent of an operator standing 3 feet away from the patient with their index fingers 3 feet apart as described in the VOMS protocol.

Click here to download the companion app for Android devices and click here to view more information about the companion app for iOS devices.


The Large OMAT device features high contrast white on black markings for easy determination of NPC and positioning of the vergence sliders.  Made of quality black acrylic material.  Clean with slightly damp cloth and mild soap – DO NOT USE ALCOHOLDimensions: 16 inch saccade Distance / 16.5 inch vergence length.

Included with your purchase:

  • Vergence bar with magnetic attachment point
  • Saccade bar with green X target, red X target, and magnetic attachment point
  • Small slider with vertical line target
  • Large slider with vertical line target on one side and letter target on the other
  • Clear case for storage
  • Additional replacement label pack