Optics: eye examining – vision testing and correcting – Eye examining or testing instrument
Patent
1992-05-04
1996-12-10
Shafer, Ricky D.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
351209, 351158, 128733, 128745, 340573, 434258, A61B 300, A61B 504, G02C 100
Patent
active
055835902
ABSTRACT:
A system for monitoring alertness of a human while performing certain tasks. Alertness is detected herein by determining the tracking ability of the eye with respect to a visual disturbance, and is measured with respect to head motion. A decision circuit is provided when the motor response of the eye is deemed to be impaired as a result of drowsiness, inattention, or substance abuse.
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Kuypers Rene A.
Shafer Ricky D.
Wabash Scientific Corp.
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