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Bonewit #6
Bonewit #6 (Luke Matthews)
Term | Definition |
---|---|
Astigmatism | A refractive error that causes distorted and blurred vision for both near and far objects due to a cornea that is oval shaped |
Audiometer | An instrument used to measure hearing acuity quantitatively for the various frequencies of sound waves |
Canthus | The junction of the eyelids at either corner of the eye |
Cerumen | Earwax |
Hyperopia | Farsightedness |
Impacted | Wedged firmly together so as to be immovable |
Installation | The dropping of a liquid into a body cavity |
Irrigation | The washing of a body canal with a flowing solution |
Myopia | Nearsightedness |
Otoscope | An instrument used to examine the external ear canal and tympanic membrane |
Presbyopia | A decrease in the elasticity of the lens that occurs with aging, resulting in a decreased ability to focus on close objects |
Refreaction | The deflection or bending of light rays by a lens |
Tympanic membrane | A thin, semitransparent membrane between the external ear canal and the middle ear that receives and transmits sound waves. Also known as the eardrum. |