Special senses

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Special senses

  1. 1. Special Senses: The Eye and Ear<br />BraiaKisic<br />Biology 120<br />Presentation 13<br />
  2. 2. Eye and Ear<br />
  3. 3. Termiology<br />Pressure equalizing tube<br />Eye, ear, nose, and throat<br />Bone conduction<br />Both ears<br />Otitis media<br />Emmetropia<br />Exotropia<br />Left eye<br />Extraocular movement<br />Visual Activity<br />
  4. 4. Pressure Equalizing Tube<br />Abbreviation- PE Tube<br />Two most common reasons for a PE Tube are because of reoccurring ear infections or a build up of fluid in the ear leading to hearing loss.<br />
  5. 5. Bone conduction <br />Abbreviation- BC<br />BC is the conduction of sound to the inner ear and bones of the skull.<br />
  6. 6. Otitis media<br />Abbreviation- OM<br />Commonly referred to as a middle ear infection<br />Usually proceeded by an upper repiratory infection during which pathogens move from the pharynx to the middle ear. Fluid accumulates in the ear.<br />Children are prone to it because the angle of their Eustachian tube is more horizontal and shorter<br />If infection is cause by bacteria, treatment can be antibiotics. If viral, the infection has to clear up on its own. <br />
  7. 7. Emmetropia<br />Abbreviation EM<br />Means “the state of normal vision”<br />
  8. 8. Exotropia<br />Abbreviation- XT<br />Means outward turning of the eye, wall-eyed. It is a muscle weakness of the eye. <br />
  9. 9. Visual activity<br />Abbreviation- VA<br />Means the measurement of the sharpness of a patient’s vision.<br />A Snellan chart is used for this test in which a patient identifies letters from a distance of 20 feet. <br />
  10. 10. Other terminology<br />Both ears-abbreviation AU<br />Left eye- abbreviation OS<br />Eye, ear, nose, and throat- abbreviation EENT<br />
  11. 11. References<br />Fremgen, Bonnie F. and Suzanne S. Frucht. Medical Terminology; A living language. New Jersey: Pearson Education, 2009<br />www.wikipedia.org<br />

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