Hearing Loss

Presbycusis is the most common form of hearing loss and the gradual, usually symmetrical decline in hearing that accompanies agein...

Noise induced hearing loss is permanent sensorineural hearing loss caused by exposure to loud sound, either a single intense impul...

Sudden sensorineural hearing loss is a rapid loss of hearing, usually in one ear, that develops over hours to a few days. Common c...

Cytomegalovirus, a common herpesvirus, can pass from mother to fetus during pregnancy, and congenital CMV is the leading non genet...

Waardenburg syndrome is a group of genetic conditions caused by variants in genes such as PAX3, MITF, SOX10, EDNRB, and EDN3, whic...

Usher syndrome is an inherited condition that combines sensorineural hearing loss with retinitis pigmentosa, a progressive degener...

Pendred syndrome is an autosomal recessive condition caused by variants in the SLC26A4 gene, which encodes pendrin, a protein that...

In auditory neuropathy spectrum disorder, ANSD, the outer hair cells of the cochlea respond normally to sound, so otoacoustic emis...

Losing all useful hearing on one side, from sudden loss, acoustic neuroma, or Meniere, removes sound localization and speech under...

Ototoxicity is damage to the cochlea, the vestibular system, or the auditory nerve caused by medications or chemicals. Well known ...

Conductive hearing loss happens when sound cannot travel efficiently through the ear canal, eardrum, or the tiny middle ear bones ...

Sensorineural hearing loss is the most common type of permanent hearing loss. It results from damage to the hair cells of the coch...

Mixed hearing loss combines a sensorineural problem in the inner ear or nerve with a conductive problem in the outer or middle ear...

Auditory processing disorder, also called central auditory processing disorder, describes difficulty interpreting sound in the bra...

Alport syndrome is a genetic disorder of type IV collagen, a protein found in the basement membranes of the kidney, inner ear, and...