1. Abbreviations for Special Senses
● Both Ears: AU
● Left Eye: OS (Oculus
Sinister)

2. Pressure Equalizing Tube
PE Tubes decrease the
risk of ear infections by
allowing air to pass
through and helping
fluid drain to the throat.

3. Eye, Ear, Nose, and Throat
● Eye-Ear-Nose-
Throat : EENT

4. Bone Conduction
● Bone Conduction (BC) is the conduction of
sound through the bones of the skull.
● Low-pitched sounds vibrate the entire skull;
high-pitched sounds vibrate bones in the skull
individually. These vibration stimulate the
sensory cells involved in perceiving sound.

5. Otitis Media
● Otitis Media (OM) is the second most common
childhood disease characterized by any
inflammation of the middle ear.
● OM is classified into many variants on the
basis of etiology, duration, symptomatology,
and physical findings.

6. Emmetropia
● Emmetropia (EM) he normal condition of
perfect vision.
● An object is in sharp focus with the eyes lens
in a proper, relaxed state.

7. Exotropia
● Exotropia (XT) refers
to eyes that are
turned outward
● This condition can be
both congenital and
acquired.

8. Extraocular Movement
● Extraocular Movement (EOM) refers to
movement of the eyes by the six ocular
muscles
● Most common symptom includes double
vision.

9. Visual Acuity
● Visual Activity (VA) refers
to the clearness or
sharpness of vision based
on what the quality of
proper vision should be.
● To measure visual activity,
the letter chart is very
commonly used.