A clinically useful eye movement recording system.
A simple, stable, and relatively calibration-free eye movement recording system for clinical application is described. This limbal sensing device makes use of a standard trial-lens clip that can be attached to the patient's spectacles, allowing easy and quick addition of lens or prism power. Horizontal eye movements or positions can be recorded with an accuracy of better than 1 degree over a 50-degree range; the linear range of the device is approximately 30 degrees.
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