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kinn's Chapter 37

TermDefinition
accommodation The adjustment of the eye that allows a person to see various sizes of objects at different distances.
amblyopia Reduction or dimness of vision with no apparent organic cause; often referred to as lazy eye syndrome.
audiologist An allied healthcare professional who specializes in the evaluation of hearing function, detection of hearing impairment, and determination of the anatomic site of impairment.
cones Structures in the retina that make the perception of color possible.
fovea centralis A small pit in the center of the retina that is considered the center of clearest vision.
gonioscopy A procedure in which a mirrored optical instrument is used to visualize the filtration angle of the anterior chamber of the eye; the procedure is used to diagnose glaucoma.
hertz A unit of measurement used in hearing examinations; a wave frequency equal to 1 cycle per second.
miotic Any substance or medication that causes constriction of the pupil.
mydriatic A topical ophthalmic medication that dilates the pupil; it is used in diagnostic procedures of the eye and as a treatment for glaucoma.
optic disc The region at the back of the eye where the optic nerve meets the retina; it is considered the blind spot of the eye, because it contains only nerve fibers and no rods or cones and thus is insensitive to light.
optic nerve The second cranial nerve, which carries impulses for the sense of sight.
otosclerosis The formation of spongy bone in the labyrinth of the ear, which often causes the auditory ossicles to become fixed and unable to vibrate when sound enters the ears.
ototoxic A medicine or substance capable of damaging the eighth cranial nerve or the organs of hearing and balance.
psoriasis A usually chronic, recurrent skin disease marked by bright red patches covered with silvery scales.
rods Structures in the retina of the eye that form the light-sensitive elements.
seborrhea An excessive discharge of sebum from the sebaceous glands, forming greasy scales or cheesy plugs on the body.
tonometer An instrument used to measure intraocular pressure.
Created by: mrsdancona
 

 



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