Dynamic peripheral stimuli for visual field testing and therapy

Details Dynamic peripheral stimuli for visual field testing and therapy Dynamic peripheral stimuli for visual field testing and therapy

2007-07-25

2011-10-04

Chci, William (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

Reexamination Certificate

active

08029138

ABSTRACT:
A method is provided for stimulating a motion-detecting visual pathway of a subject. A subject is tasked with fixating on a central stimulus displayed on a computer-driven display. While the subject is visually fixated, a peripheral stimulus is presented on the display. At least one characteristic of the peripheral stimulus is altered so as to trigger the motion-sensitive visual pathway of the subject. The altered characteristic may be the spatial locus, size, pattern, luminosity or hue of the stimulus. The altered and base stimulus may be alternately displayed in a cyclical manner to sustain the display of a dynamic peripheral stimulus. While alternately displaying the base and altered stimulus, the subject's response, indicative of their detection of the stimulus, may be monitored and recorded. The dynamic peripheral stimulus may be, for example, a repetitively translating object, or a repetitively blinking object.

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