Image-based system to observe and document eye responses...

Details Image-based system to observe and document eye responses... Image-based system to observe and document eye responses...

2006-06-02

2008-03-04

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S218000, C351S221000, C351S206000, C351S210000, C351S212000

Reexamination Certificate

active

07338166

ABSTRACT:
The image-based system is used to observe and document eye responses which can be used to implement the procedures defined in the Standardized Field Sobriety Test as well as the Drug Recognition Expert Program. These eye responses include pupil movement, as well as pupil size and responses, for either one or both eyes simultaneously. The system includes a headset against which the subject places their face. The faceplate has an opening through which illumination devices transmit beams of infrared light to illuminate the subject's eyes. A reflective protractor, having a scale imprinted thereon, is mounted on the headset above the eye opening and facing the test administrator to provide an image of the stimulus target that is used by the test administrator. Two imaging devices are mounted on the headset opposite the eye opening to generate images of the subject's illuminated eyes. The generated images are transmitted to an image recording device for storage and an image display device for display to a test administrator.

REFERENCES:
patent: 4102564 (1978-07-01), Michael
patent: 6193371 (2001-02-01), Snook
patent: 6305804 (2001-10-01), Rice et al.
patent: 6580448 (2003-06-01), Stuttler

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