1. SPECIAL SENSES:
THE EYE AND EAR
By: Angela Calderon
Chapter 13

2. PRESSURE EQUALIZING TUBE
 Abbreviation:
PE tube
 A small tube surgically placed in a child’s ear to
assist in drainage of infection

3.  Tubes are made in various shapes and of various
materials including plastic and metal. They are
inserted surgically and are extruded naturally over a
number of months.
 The tube usually falls out on its own. It can stay in
for six months to one year.

4. EYE, EAR,NOSE, AND THROAT
 Abbrevation
EENT

5. BONE CONDUCTION
 Abbreviation
BC
the conduction of sound through the bones of the
skull.

6.  Two types of bone conduction are recognized.
 In compressional bone conduction, high-pitched
sounds cause the segments of the skull to vibrate
individually. The vibrations, by compressing the
bony case of the inner ear, stimulate the sensory
cells that are involved in perceiving sound waves in
the air.
 In inertial bone conduction, low-pitched sounds
vibrate the entire skull, causing it to move while the
suspended sensory parts of the inner ear remain at
rest.

7. BOTH EARS
 Abbreviation
AU

8. OTITIS MEDIA
 Appreviation
OM
 Also referred to as middle ear infection; seen
frequently in children. Often preceded by an upper
respiratory infection.

9. EMMETROPIA
 Appreviation:
EM
 State of normal vision

10. EXOTROPIA
 Abbreviation
ET
 Outward turning of the eye, Also an example of
strabismus. (muscle weakness of the eyes)

11. LEFT EYE
 Abbreviation
OS

12. EXTRAOCULAR MOVEMENT
 Abbreviation
EOM

13. VISUAL ACUILTY
 Abbreviation
VA
 Measurment of the sharpness of vision.