Horizontal and vertical gaze nystagmus test apparatus and method

Details Horizontal and vertical gaze nystagmus test apparatus and method Horizontal and vertical gaze nystagmus test apparatus and method

1995-03-31

1996-04-09

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

351237, 351246, A61B 300, A61B 302

Patent

active

055066313

ABSTRACT:
A Horizontal and Vertical Gaze Nystagmus test apparatus and method for detecting eye twitch of an impaired test subject, the apparatus being generally comprised of a target having a top end for the test subject to focus on and follow with at least one eye through a horizontal range of motion extending between a leftmost location and a rightmost location relative to a central transverse axis, and a through a vertical range of motion, the apparatus further including a base forming a template and support for the target, where the base includes means for positioning thereof relative to the face of the test subject and means for prescribing a uniform travel path for the target between the leftmost and rightmost locations, and the aforementioned vertical range of motion at a specified distance from the face of the test subject.

REFERENCES:
patent: 3782364 (1974-01-01), Watt
patent: 5137345 (1992-08-01), Waldorf et al.

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