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J. Vernon Odom, Ph.D.
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J. Vernon Odom, Ph.D.
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Optic Flow and Mobility

One of the major clues for determining one's visual direction or heading is optic flow, i.e., the relative change in positions of objects at different places in the visual field as one moves. In an optic flow field there is a point from which all of the changes flow. As one moves forward, this point does not change. This stationary point of expansion (POE) is the point toward which the person is heading. To the best of our knowledge there are no studies that determine the sensitivity of low vision patients to optic flow information or compare their sensitivity to that of age-matched controls. These simple demonstrations will be the initial step in our research program. They will be followed by studies, which determine the relationship between an individual patient's ability to detect optic flow information and their ability to perform simple mobility tasks.

Optic Flow

Star Field

     
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Last Modified: November 7, 2008
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