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194 Cards in this Set

  • Front
  • Back
retina
contains sensitive cells (rods and cones) that transmit light energy to nervous impulses.
ciliary body
contains muscles that control the shape of the lens and secrete aqueous humor.
lens
transparent body behind the iris and in front of the vitreous humor; refracts light rays to bring them into focus on the retina.
vitreous humor
jelly-like material behind the lens; helps to maintain the shape of the eyeball.
pupil
dark center of the eye through which light rays enter.
chorid
vascular layer of the eyeball that is continuous with the iris.
conjunctiva
delicate membrane lining the eyelids and covering the anterior eyeball.
cornea
fibrous layer of clear tissue that extends over the anterior portion of the eyeball.
iris
colored portion of the eye; surrounds the pupil.
sclera
tough, white outer coat of the eyeball.
optic disc
region at the back of the eye where the retina meets the optic nerve.
accommodation
the normal adjustment of the lens to bring an object into focus.
macula
a yellowish region on the retina lateral to the optic disc.
refraction
bending of light rays by the cornea, lens, and fluids of the eye.
cone
photosensitive receptor cells in the retina that makes color perception possible.
rod
photosensitive receptor cells that make vision in dim light possible.
anisocoria
Inequality in the size of pupils.
papilledema
Swelling of the optic disc; associated with increased pressure within the eye.
Photophobia
Sensitivity to light.
scotoma
Blind spot in the field of vision.
blepharitis
inflammation of an eyelid.
keratitis
inflammation of the cornea.
iritis
inflammation of the iris.
conjunctivitis
inflammation of the conjunctiva.
intraocular
pertaining to within the eye.
uveitis
inflammation of the vascular layer of the eye.
xerophthalmia
condition of dry eye.
exotropia
outward deviation of the eye.
esotropia
inward deviation of the eye.
aphakia
absence of the lens of the eye.
hemianopsia
absence of vision in half of the visual field.
Presbyopia
Impairment of vision associated with middle or older age.
myopia
Nearsightedness; vision for near objects is better than for far.
diplopia
double vision.
Amblyopia
Reduced vision (poor eyesight).
Hyperopia
Farsightedness; light rays are focused beyond, instead of directly on the retina.
strabismus
abnormal deviations of the eye.
glaucoma
increased intraocular pressure results in retinal and optic nerve damage.
hordeolum (stye)
localized purulent infection of a sebaceous gland in the eyelid.
cataract
clouding of the lens causes decreased vision.
diabetic retinopathy
retinal microaneurysms, hemorrhages occur secondary to an endocrine condition.
macular degeneration
deterioration of the macula letea of the retina.
OU
both eyes.
OD
right eye.
OS
left eye.
PERRLA
pupils equal, round, reactive to light and accommodation.
c. gl.
with glasses.
VF
visual field
s. gl.
without glasses.
pinna
outer ear flap; auricle.
tympanic membrane
membrane between the outer and middle ear; eardrum.
malleus
hammer-shaped, small bone (ossicle) in the middle ear.
incus
small anvil-shaped bone (ossicle) in the middle ear; second ossicle.
stapes
small, stirrup-shaped bone in the middle ear; third ossicle.
Oval window
Membrane between the middle and inner ears.
Cochlea
Snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells.
Auditory nerve fibers
These carry impulses from the inner ear to the brain (cerebral cortex).
cerebral cortex
the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information.
Semicircular canals
Passageways in the inner ear that are associated with maintaining equilibrium.
Cerumen
Waxy substance secreted by the ear; ear wax.
perilymph and endolymph
fluid within the labyrinth (canals) of the inner ear; conducts sound waves.
Tympanic membrane
Membrane between the outer and middle ear; eardrum.
stapedectomy
removal of the third bone of the middle ear.
audiometer
instrument to measure hearing.
presbycusis
deafness due to old age.
Serous otitis media
Non-infectious inflammation of the middle ear with accumulation of clear fluid.
tympanoplasty
surgical repair of the eardrum.
vertigo
abnormal sensation of moving in space or having objects move about you in space.
Otosclerosis
Overgrowth and hardening of bony tissue in the labyrinth (inner ear).
Tinnitus
Ringing, buzzing or roaring sound in the ear.
labyrinthitis
inflammation of the labyrinth of the inner ear.
Myringitis
Inflammation of the eardrum.
Suppurative otitis media
Infectious inflammation of the middle ear with pus formation.
Mastoiditis
Inflammation and infection of the mastoid process just behind the ear.
Ménière disease
Disorder of the labyrinth of the inner ear; elevated endolymph (fluid) pressure.
Acoustic neuroma
Benign tumor arising from the acoustic nerve.
Cholesteatoma
Middle ear mass of cellular debris and cholesterol crystals.
AS
left ear.
ENG
electronystagniography - a test of the balance mechanism of the inner ear by assessing eye movements.
EENT
eyes, ears, nose and throat.
AD
right ear.
ENT
right ear.
ophthalmoscopy
visual examination of eye.
sclera
white portion of the eye.
aqueous humor
fluid produced by the ciliary body; circulates through the anterior chamber of the eye.
anisocoria
pupils are of unequal size.
conjunctiva
delicate membrane lining the eyelids and covering the anterior eyeball.
keratitis
inflammation of the cornea.
cycloplegic
paralysis of the ciliary muscles of the eye.
diplopia
double vision.
cataract
clouding of the lens, causing decreased vision.
strabismus
abnormal deviation of the eye (esotropia and exotropia).
astigmatism
defective curvature of the cornea or lens of the eye.
chalazion
small, hard cytic mass of the eyelid.
presbyopia
impairment of vision due to old age.
myopia
nearsightedness.
iritis
inflammation of the iris.
hemianopsia
loss of vision in one half of the visual field.
papilledema
swelling in the region of the optic disc.
fluorescein angiography
process of recording blood vessels in the back of the eye after IV injection of a dye.
macular degeneration
progressive damage to the yellowish region on the retina (lateral to and slightly below the optic disc).
aphakia
absence of the lens of the eye.
perilymph
fluid contained in the inner part of the ear.
labyrinth
maze-like series of canals of the inner ear.
pinna
the outer flap of the ear; auricle.
eustachian tube
channel between the middle ear and the nasopharynx.
cerumen.
waxy substance secreted by the external ear.
cholesteatoma
collection of skin cells and cholesterol in a sac within the middle ear.
myringotomy
incision of the eardrum.
otosclerosis
hardening of bony tissue in the inner ear; ankylosis of the stapes may occur.
semicircular canals
passages in the inner ear that are associated with maintaining equilibrium.
otolaryngologist
specialist in the study of the ear and voice box.
tinnitis
sensation of noises (ringing, buzzing, whistling) in the ears.
vertigo
sensation of irregular or whirling motion either of oneself or of external objects.
ossiculoplasty
surgical repair of a small bone in the middle ear.
audiometer
instrument to measure hearing.
otomycosis
fungal infection of the ear.
auditory canal
channel leading from the outer ear flap to the eardrum.
acoustic neuroma
benign tumor arising from the 8th cranial nerve in the brain.
cochlea
a snail-like, spirally wound tube in the inner ear; contains hearing-sensitive cells.
tympanoplasty
surgical repair of the eardrum.
Suppurative otitis media
inflammation of the middle ear with pus formation.
Anisocoria
Inequality in the size of pupils.
Aqueous humor
Fluid produced by the ciliary body and found in the anterior chamber of the eye.
Blepharitis
Inflammation of an eyelid.
Cataract
Clouding or loss of transparency of the lens of the eye.
Conjunctiva
Delicate membrane lining the eyelids and covering the eyeball.
Cornea
Fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball.
Ciliary body
Structure on each side of the lens that connects the choroid and iris; contains muscles that control the shape of the lens.
dacryorhea
Excessive flow of tears.
Glaucoma
Fluid accumulation in the anterior and posterior chambers of the eye causing increased pressure and damage to the retina.
Ophthalmologist
Medical doctor specializing in the diseases of the eye.
acoustic
pertaining to sound.
pinna
outer flap of the ear.
otomycosis
fungal ear condition.
tinnitus
ringing in the ears.
tympanoplasty
surgical repair of the eardrum.
myringotomy
incision in the eardrum.
cerumen
waxy discharge from the ear.
vertigo
dizziness.
presbycusis
hearing impairment due to old age.
stapedectomy
removal of a middle ear bone.
prosthesis
an artificial device to replace or augment a missing or impaired part of the body .
corneoscleral
Pertaining to the cornea and sclera, which is the white of the eye.
Audiometer
Instrument to measure or test hearing.
Malleus
Hammer-shaped, small bone (ossicle) in the middle ear.
Palpebral
Pertaining to an eyelid.
Presbycusis
Progressive loss of hearing, occurring in middle and older age.
mydriatic
causing or involving dilation of the pupil of the eye.
blepharitis
Inflammation of an eyelid.
retinopathy
causing or involving dilation of the pupil of the eye.
Macrotia
Abnormally large ears.
cataract
clouding of the lens.
stapes
small bones in the middle ear.
strabismus
abnormal deviation of the eye caused by muscle weakness.
cerumen
wax found in the outer ear.
tinnitus
ringing sound in the ears.
pinna
the flap, or outside part, of the ear.
cochlea
a snail-shaped, spirally wound tube in the inner ear.
chalazion
small hard mass of the eyelid.
eustachian tube
tube connecting the middle ear to the throat.
presbyopia
impairment of vision due to old age.
tympanoplasty
surgical repair of the eardrum
Ophthalmoplegia
paralysis of the eye.
salpingopharyngeal
pertaining to the eustachian tube and the throat.
hemianopsia
loss of one half of the visual field.
uveitis
inflammation of the vascular layer of the eye.
aphakia
condition of the absence of the lens.
otosclerosis
hardening of the bony tissue in the inner ear.
intraocular lens (IOL)
artifical part inserted during cataract surgery.
acute otitis media (AOM)
severe inflammation of the middle portion of the ear.
a test of the balance mechanism of the inner ear by assing eye movements (ENG)
test of the balance mechanism of the inner ear by assessing rapidly twitching eye movement.
visual acuity (VA)
a patient reads from a Snellen chart to test clarity of vision.
intraocular pressure (IOP)
a measure of fluid build-up in the anterior portion of the eye and associated with glaucoma.
ears, nose and throat (ENT)
speciality of an otorhinolaryngologist.
pupils equal, round, reactive to light and accommodation (PERRLA)
normal result when the dark opening of the eye is examined.
age related macular degeneration (AMD)
loss of central vision occuring with old age.
visual field (VF)
the area within which objects are seen when the eyes are fixed, looking straight ahead.
pressure-equalizing tube-a polyethylene ventilaing tube placed in the eardrum (PE tube)
this helps relieve chronic middle ear infection and inflammation.
anterior chamber
Space behind the cornea and in front of the lens and iris; contains aqueous humor.
Choroid
Middle, vascular layer of the eye.
Ciliary body
Structure on each side of the lens that connects the choroid and iris; contains muscles that control the shape of the lens.
Conjunctiva
Delicate membrane lining the eyelids and covering the eyeball.
Cornea
Fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball.
Fovea centralis
Tiny pit or depression in the retina that is the region of clearest vision.
Iris
Colored, pigmented portion of the eye, surrounding the pupil.
Lens
Transparent biconvex body behind the pupil of the eye.
Macula
Yellowish region on the retina lateral to and slightly below the optic disc; contains the fovea centralis, the area of clearest and central vision.
Optic disc
Region at the back of the eye where the optic nerve meets the retina.
Optic nerve
Cranial nerve that carries impulses from the rod and cone cells of the retina to the cerebral cortex in the occipital lobe of the brain.
Pupil
Dark, central portion of the eye.
Retina
Sensitive nerve cell layer of the eye.
Sclera
White portion of the eyeball.
Vitreous humor
Soft, jelly-like material that fills the inner vitreous chamber of the eye.