Chapter 6 Flashcards
Ocul/o, Opthalm/o, Opt/o
Eye
Lacrim/o, Dacry/o
Tear
-opis, -opsia
Sight
Myopia
nearsighted
Scler/o
sclera (white portion of the eye)
Blephar/o
Eyelid
Cornea/o, Kerat/o
Cornea (clear membrane over eye)
Conjunctiv/o
Conjunctive (membrane over sclera)
Conjunctivitis
Pink eye
Cycl/o
Ciliary body (muscles around lens)
Retin/o
Retina
Ir/o, irid/o
Iris
Vitre/o
Vitreous humor (fluid inside posterior cavity of eye)
Phac/o, phak/o
Lens
Choroid layer
Layer between sclera and retina
What does the lens do
bend light rays
What does the iris do
controls the size of the pupil
What do the ciliary muscles do
attach to the lens and bend them for focusing
Retina
innermost layer of the eye
Cataracts
Eyes are cloudy making it hard to see
Aur/o, Ot/o
ear
Acous/o, Audi/o
hearing
-acusis
hearing condition
Hyperacusis
exaggerated hearing
Cerumin/o
Ear wax
Salping
ear canal or eustacean tube
tympan/o, myringo/o
ear drum
labyrinth/o
labyrinth (bone structures)
Vestibul/o
area in front of semicircular canals
Cochle/o
shell (contains hearing receptors)
-opia
vision condition
ambiopia, diplopia
double vision
asthenopia
weak vision
ambly
dull
amblyopia
decreased vision, lazy eye
presby
old age
presbyopia
decreased vision due to old age
akinetopsia
inability to see objects move
hemianopsia
blindness in half of the visual field
scot
darkness
scoptopia
adjustment of the eye to see in darkness
dacryoadenalgia
pain in tear gland
-aden
gland
cyst
sac
xerophthalmia
dry eyes, due to a vitamin A deficiency
astigmatism
vision problem of not being focused on one point
miosis
abnormal contraction of the iris
mydriasis
abnormal dilation of the iris
scotoma
dark spot in the visual field
tinnitus
ringing in the ear
vertigo
sensation of moving, while stationary
tonometer
measures pressure in the eye
blepharedema
swelling of the eyelids
ectropion
outward turning of the eyelid
-tropia
turn
entropion
inward turning of the eye
strabismus
eyes deviate while looking
esotropia
inward turning of the eye
Nystagmus
involuntary back and forth movement of the eye
Exophthalmia
protrusion of the eyes out of the eye socket
Pterygium
wing like growth over cornea
Phacosclerosis
hardening of lens
ceruminosis
excessive formation of ear wax
macrotia
abnormally large ears
aerotities
inflammation of the ear due to air
rhino
nose
conductive hearing loss
sound cannot get to middle/inner ear due to blockage
otosclerosis
hearing loss due to hardening of ear bones
sensorineural hearing loss
hearing loss due to sound not being transmitted from inner ear to brain; nerve problem
enucleation, opthalmectomy
removal of an eye
auditory prosthesis
hearing aid
ceruminolytic
drugs that aids in breakdown in ear wax
ear lavage
rising of the ear canal
cochlear implant
electronic device to stimulate cochlea
ototoxic
drug that damages the ear, causing deafness
OD
right eye (oculus dexter)
OS
left eye (oculus sinister)
OU
both eyes (oculus uterque)
IOP
intraocular pressure
VA
visual activity (how well you see details)
VF
visual field (how far and wide you see)
ARMD
age related macular degeneration; decrease in number of cone neurons
IOL
intraocular lens (corrective surgery)
LASIK
vision corrective surgery
AD
right ear (auris dexter))
AS
left ear
AU
both ears
AOM
acute otitis media; more serious ear infection
OM
otitis media; ear infection