This document defines abbreviations commonly used in eye, ear, nose and throat examinations. It provides the full terms and abbreviations for pressure equalizing tube, eye ear nose and throat, bone conduction, both ears, otitis media, emmetropia, exotropia, left eye, extraocular movement, and visual acuity.

1. Chapter 13 Knowledge Assignment 13J By: Antonee Weinbrecht

2. Pressure Equalizing tube Pressure Equalizing Tube Abbreviation: PE tube

3. Eye, ear, nose and throat Abbreviation: EENT

4. Bone conduction Abbreviation: BC

5. Both ears Abbreviation: AU

6. Otitis media Abbreviation: ON

7. Emmetropia Abbreviation: EM

8. exotropia Abbreviation: XT

9. Left eye Abbreviation: OS

10. Extraocular movement Abbreviation: EOM

11. Visual acuity Abbreviation: VA

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