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Bonewit Chapt 6
Eye and Ear (Stacy Maloon)
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 | earwak |
hyperopia | farsightedness |
impacted | wedge firmly together so as to be immovable |
instillation | 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 |
refraction | 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. |