Audiology
Audiology is the health profession focused on hearing, balance, tinnitus, auditory processing, hearing protection, assistive listening technology, and rehabilitation for people with ear and communication-related disorders.
What audiology is
Audiology is the clinical field focused on hearing and balance. Audiologists evaluate how the ear, auditory nerve, brain, and vestibular system support listening, communication, spatial awareness, and steady movement. They diagnose and manage hearing loss, tinnitus, dizziness, balance problems, auditory processing concerns, and the technology people use to hear better.
Hearing as a daily function
Hearing is not only the ability to detect sound. People need to understand speech in noise, localize sound, notice warnings, follow classroom or workplace conversation, enjoy music, and communicate with family. Audiology looks at both test results and real listening demands, because two people with similar hearing thresholds may have very different everyday needs.
Evaluation
An audiology evaluation may include otoscopy, pure-tone testing, speech testing, tympanometry, acoustic reflex measures, otoacoustic emissions, auditory brainstem response testing, vestibular tests, tinnitus assessment, or hearing-aid checks. The exact tests depend on age, symptoms, medical history, communication goals, and whether the concern involves the outer, middle, inner ear, auditory nerve, or balance system.
Hearing loss and tinnitus
Hearing loss can be conductive, sensorineural, mixed, temporary, progressive, sudden, noise-related, age-related, genetic, infectious, medication-related, or linked to another medical condition. Tinnitus is the perception of sound such as ringing or buzzing without an outside source. Audiologists help identify patterns, recommend medical referral when needed, and build management plans that fit daily life.
Technology and rehabilitation
Audiology care can include hearing aids, cochlear implant programming, bone-conduction devices, assistive listening systems, ear protection, classroom or workplace accommodations, communication strategies, auditory training, and counseling. The best technology is not only loud enough; it must be fitted, verified, adjusted, taught, maintained, and matched to the person's listening environments.
Balance and vestibular care
The inner ear also helps with balance. Audiologists may evaluate vestibular function when people have vertigo, dizziness, unsteadiness, motion sensitivity, falls, or suspected inner-ear disorders. Balance care often requires teamwork with otolaryngologists, neurologists, physical therapists, primary care clinicians, and rehabilitation specialists because dizziness can have many causes.
Prevention and public health
Prevention is a major part of audiology. Noise exposure, unsafe listening habits, untreated ear disease, some medicines, aging, infection, and workplace hazards can affect hearing. Audiologists support hearing conservation programs, newborn hearing screening follow-up, school services, occupational noise monitoring, safe listening education, and early referral when hearing or balance changes appear.
Why it matters
Audiology matters because hearing and balance shape communication, safety, learning, work, mobility, social connection, and independence. Untreated hearing or vestibular problems can isolate people or make daily tasks harder. Careful testing and well-fitted support can reduce barriers, protect remaining function, and help people stay connected to the world around them.