For example, more than 70 known inherited disorders account for about one-half of all severe sensorineural hearing impairments; however, 90 percent of children with congenital hearing impairment are born to parents with normal hearing.
Congenital sensorineural hearing loss (most common birth deficiency, affecting roughly two to four per 1,000 children) may cause delayed speech and language.
Sensorineural hearing loss-Hearing loss caused by damage to the nerves or parts of the inner ear governing the sense of hearing.
Sensorineural hearing impairment and congenital deafness are incurable.
