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CEP chapter 12 - Chapter 12 Students with Visual...

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Chapter 12: Students with Visual Impairments Definition: Visual Impairment: the most commonly accepted general term to describe people with decreased vision, regardless of the severity of the vision loss. Low vision: some vision but have difficulty accomplishing typical visual tasks. Blindness: refers to having no vision or only light perception, or the ability to determine the presence or absence of light Visual impairment: impairment in vision that, even with correction, adversely affects a child’s educational performance. This term includes both partial sight and blindness. Visual activity: the clarity or sharpness of vision Visual field: the range in which objects can be seen centrally or peripherally legal blindness: the condition in which central visual acuity is 20/200 or less in the better eye with corrective glasses or central visual acuity is more than 20/200 if a visual field defect exists so that it is 20 degrees or less in each eye. Characteristics Cognitive: 1.) range and variety of experiences: when a child has a visual impairment, experiences must be gained by using the remaining senses, especially touch and hearing. 2.) Ability to move around: vision allows for early and free movement within the environment, but blindness or severe visual impairment restricts such movement. 3.) Interaction with the environment: because vision allows for quick gathering or information at a distance, people with typical vision have immediate and direct control of the environment. Academic: Braille Literacy Skills: students who are functionally blind typically learn to read and write braille, as do some students with low vision. Braille is an efficient and practical means of written communication based on the 26 letters of the alphabet.
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