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28 Cards in this Set

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  • Back
lacrimal gland
gland that produces tears
conjunctiva
a thin, mucous membrane lining the eye socket and eyelids
sclera
fibers meshed together to form opaque structure referred to as the "white" of the eye
optic
pertaining to the eyes or sight
presbyopia
farsightedness brought about by decreased accommodation of the eye as a result of the aging process
glaucoma
condition characteized by increased pressure within the eye caused by failure of the aqueous humor to drain
diplopia
double vision
floaters
nontransparent specks that are small pieces of cells floating across the visual fields
conjunctivitis
an inflammation of the mucous membrane that lines the back of the eyelids and the front of the eye except the cornea
photophobia
abnormal intolerance to light
blepharitis
bacterial infection of the eyelid that causes crusting, redness, and irritation
hordeolum
a hard cyst on eyelid resulting from a blocked sebaceous duct; also called a sty
external auditory meatus
part of the external ear; the ear canal
cerumen
earwax
acoustic
pertaining to hearing or sound
eardrum
round disk that vibrates and transmits sound from the outer ear to the middle ear; also called tympanic membrane
air conduction
middle and external ear function to conduct and amplify sound waves from the environment
conductive hearing loss
alteration in the perception of or sensitivity to sounds; occurs with problems in the external and middle ear
cochlea
part of the inner ear; the primary organ of hearing
sensorineural hearing loss
alteration in the perception of or sensitivity to high-pitched sounds; occurs with problems in the inner ear
central hearing loss
difficulty understanding the meaning of words heard; inability to understand the meaning of incoming sounds or words; caused by problems of the central nervous system from the auditory nucleus of the cortex
presbycusis
decreased ability to hear high-pitched sounds
tinnitus
ringing in the ears
external otitis
an inflammation and infection of the epithelium of the auricle and ear canal
otic
pertaining to the ear
canthus
angle at either end of the slit between the eyelids
tragus
small cartilage projection in front of entrance (exterior meatus) to the ear
vertigo
dizziness; inablity to maintain balance in either a sitting or standing position