This document provides definitions for common medical abbreviations used in eye, ear, nose, and throat examinations and treatments. Some abbreviations defined include PE tube for pressure equalizing tube, an ear tube to prevent middle ear infections, EENT for eye, ear, nose, and throat, BC for bone conduction referring to sound transmission through skull vibrations, and OM for otitis media meaning middle ear infection. Other abbreviations defined are EM for emmetropia describing normal eye refraction, XT for exotropia meaning outward eye deviation, OS for left eye, EOM for extraocular movement referring to eye movement, and VA for visual acuity indicating vision clarity.

1. Abbreviations By Shreeja Basnet