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VISION (EYE MOVEMENT SYSTEM (To keen the fovea on the object of interest:…
VISION
VISUAL INPUT
Visual field: The external world that can be seen when a person looks straight ahead
Registering the visual scene and ensuring that the CNS receives complete information
Visual acuity: Ability to see small visual detail. Ensures that visual information sent to CNS is accurate
Impairments include: blurred vision, writing too small, difficulty with contrast
Oculomotor control: Ensures that the object the person wishes to view is focused on the fovea of both retinas for as long as needed and to provide binocular vision
Enabling eye movements to be completed quickly and accurately and ensures perceptual stability
EYE MOVEMENT SYSTEM
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In order to work together, normal eye movements require synthesis of information about
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