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Vision and Function. Vision is not one thing Colour Depth Motion Form Detection Resolution Recognition.

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Presentation on theme: "Vision and Function. Vision is not one thing Colour Depth Motion Form Detection Resolution Recognition."— Presentation transcript:

1 Vision and Function

2 Vision is not one thing Colour Depth Motion Form Detection Resolution Recognition

3 Two systems Central - cones form, detail, colour, high contrast (daylight), static images Peripheral - rods motion, depth, low contrast (night vision), locating objects in space

4 Aspects related to visual abilities Type Degree Onset Prognosis

5 Individual characteristics Psychomotor development Cognitive development Affective development In relation to environmental conditions Physical Psychological

6 ICF Learning and applying knowledge General tasks and demands Communication Mobility Self care Domestic life Interpersonal interactions and relationships Major life areas Community, social and civic life

7 Lea Hyvarinen's 4 leafed clover of visual functioning

8 The Eye the importance of vision how the eye works

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10 Visual Development Vision is a learned process. When babies are born their vision is not yet fully developed. Children’s sight continues to develop in the first years of life by being used. It mainly develops during the first year, but continues developing until children are around seven years old.

11 Main functions of vision focus movement visual acuity visual field stereoscopic vision colour vision contrast sensitivity light sensitivity visual perception

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13 Vision promotion Developmental setback Form vision

14 Early Support VI Journal Record of developing vision Developing vision activity cards Visual environment and visual materials cards

15 Workshop Observing Megan


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