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WHAT IF YOUR STUDENT HAS A CVI?


COMMON CHARACTERISTICS OF CVI
  • Difficulty with visual novelty (student prefers to look at familiar, not new, objects,  and lack of visual curiosity
  • Visually attends in near space only
  • Difficulties with visual complexity/crowding (student performs best when one sensory input is  presented one at a time, when the surrounding environment lacks clutter, and the object  being  presented is simple)       
  • Non-purposeful gaze and/or light gazing behaviours
  • Distinct colour preference (preferences are often for red and yellow, but could be any colour.)
  • Visual field deficits ( e.g. they may have better peripheral than central vision and look at objects “out of the side of their eye”)
  • Visual latency (The individual's visual responses can be slow, often delayed.)
  • Attraction to movement, especially rapid movements (they may also like shiny and reflective  objects which also give the illusion of movement)
  • Absent or atypical visual reflexive responses (e.g.failure to blink)
  • Atypical visual motor behaviours (Look and touch often occurs as separate functions, e.g. student  may look, turn head away from item, then reach for it.)
  •  Fluctuating vision is very common. A child may be able to see an object one day and be  unable to the next
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Karen Laing,
Jun 5, 2014, 12:27 AM
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