SPED 2231 Chapter Notes - Chapter 15: Universal Design, Assistive Technology
29 Sep 2017
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De ning visual impairments legal blindness: a term that refers to individuals whose central visual acuity, when measure in both eyes and when they are wearing corrective lenses, is 20/200 or whose visual eld is no more than 20 degrees. The a ected individual has the impression of looking through a tunnel or tube and is unaware of objects to the left, right, top, or bottom legal de nition is used to determine eligibility for social security bene ts. Idea de nition visual disability (including blindness): an impairment in vision that, even with correction, adversely a ects a child"s educational performance. the term includes both partial sight and blindness. Determining the presence of visual impairment etiology: describes the cause or origin of a medical condition suggests typical characteristics. 169 braille symbols and 450 rules for using them. Determining supplementary aids and services providing adapted materials.
