Cerebral Visual Impairment Presentation for DeafBlind Ontario Services
What is cerebral visual impairment?
Differing theories/definitions
How is it different than an ocular impairment?
i. Anatomy of the eye
ii. Structure of the brain
iii. How is vision processed?
a. What is the difference between cerebral visual impairment and cortical visual impairment?
i. Types of cerebral visual impairment
ii. Explanation of cortical visual impairment
What does the term CVI mean?
Implications of cerebral visual impairment on individuals who are medically fragile?
Positioning
Wheelchair, seated, lying in bed, lying on the floor, etc.
Equipment use
Walker, stander, wheelchair, etc.
Medical stability
Medications, seizures, congestion, etc.
Stress
What might happen to visually attending behaviours under stress?
Biobehavioural state
Sleep, drowsy, quiet alert, active alert, etc.
What techniques, modifications to the environment, and accommodations to material can be used with individuals who have cerebral visual impairment? How do these relate to the methods and techniques of intervention?
How can we assess/track progress for individuals with cerebral visual impairment?
aAnecdotal notes and observation (Gordon Dutton)
Cortical Visual Impairment Range (Christine Roman-Lantzy)
Task analysis
Google Forms