A professional interpreter who sits facing a person with hearing loss while silently repeating/rephrasing what a speaker is saying using good lip/facial movements and modifying some difficult-to-see words to make it easier of the hard of hearing person to speechread.

Same as Oral Interpreter.

That part of the cochlea containing the hair cells.

A hearing loss caused by a physical condition in contrast to a Functional Hearing Loss.

Oscillating or bouncing vision caused by excessive motion of an image on the retina. Oscillopsia results when the vestibular system is destroyed or severely damaged.

See Occupational Safety and Health Agency.