Danielle DeLalloBiology 120R. Abdullah

Used to assist in drainage of trapped fluid equalize pressure between middle ear cavity and atmosphere

Procedure most frequently used to treat chronic otitis media in children

Infants and children more prone due to flat Eustachian tube

Removed after child is older and Eustachian tube becomes more functional

Eustachian tube in infants and young children is short and flat, which can hinder proper functioning.

Source: http://drharris.ucsd.edu

Medical specialization involving the diagnosis and treatment of conditions and diseases of the eye, ear, nose and throat region

Conduction of sound to the inner ear through the bones of the skull

Tends to amplify lower frequencies Concept used in some hearing aids Is the reason our voices sound different to

ourselves than when heard on a recording

Abbreviation of the Latin term Auris utro Translated as “each ear” Abbreviation is frequently confused with OU,

Oculus utro, meaning both eyes or “each eye”

Middle Ear InfectionMost common in infants and young children

Condition of normal vision

Outward turning of the eye.

Also referred to as wall-eyed.

Caused by strabismus, weakness of eye muscle(s).

Abbreviation of Latin term Oculus sinister

Eye movements Tests to assess EOM, without moving head

and should not result in diplopia: Smooth pursuit: follow object along full vertical and

horizontal range Convergence: fixate on an object as it is moved closer

until it is at a point between patient’s eyes Saccades: test of rapid refixation between two objects Optokynetic nystagmus: watching parallel stripes go by

the line of sight

Visual Acuity Test assesses sharpness of patient’s vision.

Commonly uses a Snellen chart ( on left) at a distance of 20 feet.

www.petube.org en.wikipedia.org http://www.thechildrenshospital.org/imgs/Awards_or_honor_badges/PU_W07_Otitis2.jpg http://www.pedseye.com/img/exo_ex_03.jpg http://www.neuroexam.com http://www.optivision2020.com/image-files/snellen-chart.jpg