Chapter 17 Test Flashcards
defective curvature of the cornea or lens of the eye
astigmatism
farsightedness
hyperopia
nearsightedness
myopia
impairment of vision as a result of old age
presbyopia
clouding of the lens, causing decreased vision
cataract
small, hard, cystic mass on the eyelid
chalazion
retinal effects of diabetes mellitus include microaneurysms, hemorrhages, dilation of retinal veins, and neovascularization
diabetic retinopathy
increased intraocular pressure result in damage to the retina and optic nerve with loss of vision
glaucoma
localized, purulent, inflammatory staphylococcal infection of a sebaceous oil-producing gland in the eyelid
hordeolum
progressive damage to the macula of the retina
macular degeneration
repetitive rhythmic movements of one or both eyes
nystagmus
two layers of the retina separate from each other
retinal detachment
abnormal deviation of the eye
strabismus
IV injection of flourescein followed by serial photographs of the retina through dilated pupils
flourescein angiography
visual exam of the interior of the eye
ophthalmoscopy
exam of anterior ocular structures under microscopic magnification
slit lamp microscopy
clarity of vision is assessed
visual acuity test
measurement of the entire scope of vision
visual field test
removal of the entire eyeball
enucleation
surgical repair of the cornea
keratoplasty
intense, precisely focused light bean created an inflammatory reaction that seals retinal tears and leaky retinal blood vessels
laser photocoagulation
use of an excimer laser to correct errors of refraction
LASIK
suture of a silicone band to the sclera over a detached portion of the retina
scleral buckle
removal of the vitreous humor
vitrectomy
channel that leads from the pinna to the eardrum
auditory canal
auditory canal
auditory meatus
carry impulses from the inner ear to the brain
auditory nerve fibers
channel between the middle ear and the nasopharynx
auditory tube
flap of the ear
auricle
waxy substance secreted by the external ear
cerumen
snail shell-shaped, spirally wound tube in the inner ear
cochlea
fluid within the labyrinth of the inner ear
endolymph
auditory tube
eustachian tube
second ossicle of the middle ear
incus
first ossicle of the middle ear
malleus
maze-like series of canals of the inner ear
labyrinth
sensitive auditory receptor area found in the cochlea of the inner ear
organ of Corti
small bone of the ear
ossicle
membrane between the middle ear and the inner ear
oval window
auricle
pinna
passages in the inner ear associated with maintaining equilibrium
semicircular canals
third ossicle of the middle ear
stapes
membrane between the outer and the middle ear
tympanic membrane
central cavity of the labyrinth, connecting the semicircular canals and the chochlea
vestibule
benign tumor arising from the acoustic vestibulocolchlear nerve in the brain
acoustic neuroma
collection of skin cells and cholesterol in a sac within the middle ear
cholestoeatoma
loss of the ability to hear
deafness
disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea and semicircular canals
Meniere disease
inflammation of the middle ear
otitis media
hardening of the bony tissue of the middle ear
otosclerosis
sensation of noises in the ears
tinnitus
sensation of irregular or whirling motion either of oneself or of external objects
vertigo
testing the sense of hearing
audiometry
surgical insertion of a device that allows sensorineural hearing
cochlear implant procedure
measurement of the temp of the tympanic membrane by detection of infrared radiation from the eardrum
ear thermometry
visual exam of the ear canal with an otoscope
otoscopy
test of ear conduction using a vibration source
tuning fork test
acous/o
hearing
audi/o
hearing
audit/o
hearing
aur/o, auricul/o
ear
myring/o
eardrum, tympanic membrane
ossicul/o
ossicle
salping/o
eustachian tube, auditory tube
staped/o
stapes
tympan/o
eardrum
-acusis or -cusis
hearing
-meter
instrument to measure
-otia
ear condition