Better Hearing Institute (Types and Degrees of Hearing Loss) The different types of hearing loss sensorineural deafness have a hearing impairment Source 2 http://www.betterhearing.org/hearingpedia/types-hearing-loss http://www.betterhearing.org/hearingpedia/types-hearing-loss Better Hearing Institute (Types and Degrees of Hearing Loss) 91 percent of people