HEARING IMPAIRMENT

   

   Deafness

   Hard-of-hearing

   Hearing loss

   Pre-lingual deafness

   Post-lingual impairment

   Sign language

   Hearing aid

   Cochlear implant

   Residual hearing

   Sensorineural

   Vocal sounds

   Vocalize

   Mild / moderate / severe / profound loss

   Assistive listening devices

   Interpreter