Deaf-Blindness: Definition & Characteristics


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question 1 of 3

About half of all deaf-blindness cases are caused by _____.

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1. _____ is a genetic disorder that causes the retinas to gradually degenerate with time due to cell death and often contributes to deaf-blindness.

2. Which of the following is NOT true about deaf-blindness?

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About This Quiz & Worksheet

Use this quiz and worksheet to test your understanding of deaf-blindness. Questions will give you symptoms as well as definitions and ask you to select diseases.

Quiz & Worksheet Goals

In this assessment you'll test your knowledge of:

  • What causes almost half of deaf-blindness cases
  • Common symptoms of deaf-blindness
  • Different types of common diseases

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson on deaf-blindness, such as what degree of deafness and blindness most patients suffer from
  • Defining key concepts - ensure that you can accurately recognize key phrases from their definitions, such as a genetic disorder that causes retinas to degenerate
  • Knowledge application - use your knowledge to answer questions about potential causes of deaf-blindness

Additional Learning

For more information on deaf-blindness, read the lesson titled Deaf-Blindness: Definition & Characteristics. You will learn information such as:

  • How many people suffer from deaf blindness
  • Examples of visual impairment for sufferers
  • How people with deaf-blindness communicate