Arizona Association of the Deaf-Blind

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                        Definition

                        "Deaf-blind" is an umbrella term used to describe people who have some form of combined vision loss and hearing loss. Deaf-blindness includes a hearing impairment that ranges from mild to complete deafness and with a vision impairment that ranges from mild to total blindness.

                        Types

                        Deaf-blind individuals do not all acquire their combined vision and hearing impairment in the same way. An individual may be:
                        • Born both deaf and blind
                        • Born blind (or acquire blindness first) and later become deaf
                        • Born deaf (or acquire deafness first) and later become blind
                        • Acquire both deafness and blindness later in life

                        Causes

                        Deafness and blindness can be caused by any of the following:
                        • Medical factors
                        • Age-related factors
                        • The effects of a traumatic accident
                        • Genetics
                        Some examples of more common medical factors that cause deaf-blindness include:
                        • Usher Syndrome (I, II, or III)
                        • Age-Related-Conditions
                        • Meningitis
                        • CHARGE

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