Special Senses: Eye and EarPresentation Transcript
Chapter 13 Special Senses: The Eye & Ear By: Litrina Valera
Overview In this presentation, you will learn the abbreviations that relate to the special senses.
PE Tube Stands for: Pressure equalizing tube. The PE tube is a small tube surgically placed in a child’s eardrum to help drain the trapped fluid inside the ear. It also equalizes pressure between the middle ear cavity and the atmosphere.
EENT Stands for: eyes, ears, nose and throat.
BC Stands for: Bone conduction It is the conduction of sound to the inner ear, through the bones of the skull. BC is reason why our voices sound different to us when we hear ourselves when recorded and played back. We perceive our voices to be a higher pitch than how others actually hear it.
dB Stands for: Decibel dB measures the intensity or loudness of a sound. 0 decibels is the quietest sound measured, and 120 dB is the loudest sound measured.
AU Stands for: Both ears
OM Stands for: Otitis media Seen frequently in children; also reffered to as a middle ear infection. Fluid accumulates in the middle ear cavity, the fluid may be watery or full of pus.
EM Stands for: Emmetropia State of normal vision.
XT Stands for : exotropia Outward turning of the eye. Also called wall-eyed.
OS Stands for: Left Eye
EOM Stands for: Extra Ocular Movement
VA Stands for: Visual Acuity Measurement of the sharpness of a persons vision, usually using the Snellen chart and having a person read it from 20 feet away.