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Deafblindness
What are the causes?
In the past, the predominant cause of congenital deafblindness was rubella. If a woman catches rubella in early pregnancy, it can be passed on and cause damage to the unborn child - including vision and hearing impairment, heart defects and damage to the central nervous system. Today, deafblindness is caused by a wide range of factors including premature birth, plus a range of syndromes and conditions such as CHARGE syndrome. Deafblindness may also be acquired as a result of infection after birth, for example, meningitis.
There are many causes of acquired deafblindness. The genetic condition Usher syndrome and hearing. Some people who have been born deaf or blind, may also lose their sight or hearing through accident or illness.
Background
| Inheritance patterns and prenatal diagnosis 
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