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OHOA Module: An Overview of Deaf-Blindness and Instructional Strategies

Learning Activity 2: Causes (Etiologies) of Deaf-Blindness

Time to complete: 1.5 hours


Watch this slide presentation:

Read the following:

Watch the first four videos on this web page (click on the "Videos" tab when you open the link). The first two videos are about Marissa and the third and fourth are about Audrey.

Suggested Discussion Board Activities and Assignments


If you don't have a student of your own, you can use this sample student:


Understanding the etiology of a student's deaf-blindness is essential in order to develop an educational program and support the student.