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Ch.10

Medical Terminology

Terms

undefined, object
copy deck
mio
less
cornea
transparent part of eyeball that refracts light to focus image
ectropion
outward turning of rim of eyelid
cyst
sac
chalasis
a slackening
dacryoadenitis
inflammation of lacrimal gland
lacrimal gland
gland located above eyeball that secretes tears
phac/o, phak/o
lens (lentil)
hordeolum
a sty
diabetic retinopathy
disease of retina in diabetics
epiphora
abnormal overflow of tears
scler/o
hard or sclera
fovea
pit
hyperopia
farsightedness, light rays focus on point behind retina
ciliary body
ring of muscle behind iris that controls focusing shape of lens
lens
transparent structure behind pupil that focuses light on retina
sonography
use of high-frequency sound waves to detect pathology in eye
pseudophakia
an eye in which natural lens is replaced by artificial lens
fovea centralis
pinpoint depression in center of macula lutea that has sharpest vision
nystagmus
involuntary, rapid movement of eyeball
glaucoma
a group of diseases in eye caused by pressure that damages optic nerve
lacrim/o, dacry/o
tear
chalazion
chronic nodular inflammation of meibomian gland
myopia
nearsightedness, light rays focus on point in front of retina
pterygium
a wing-shaped growth of conjuctival tissure onto cornea
strabismus
a squinting
aque/o
water
-opia
condition of vision
cataract
opaque clouding of lens causing decreased vision
conjunctiva
mucous membrane that lines the eyelids and eyeball
macular degeneration
breakdown of tissues in macula, loss of partial central vision
fundus (base)
interior surface of eyeball
phacoemulsification
use of ultrasound to shatter and break up a cataract with aspiration and removal
astigmatism
distorted vision caused by a curvature of lens or cornea that prevents light from coming to focus
aphakia
absence of lens
iridotomy
incision into iris to treat glaucoma
scotoma
blind spot in vision
phot/o
light
hordeum
barley
refractive errors
defects in the bending of light as it enters eye, causing improper focus on retina
slit lamp biomicroscopy
use of tabletop microscope to examine eye
ophthalmoscopy
use ophthalmoscope to view interior of eye
dacryocystitis
inflammation of tear sac
retin/o
retina
ir/o, irid/o
colored circle, iris
asthenia
weak condition
diplopia
double vision
nystagmos
a nodding
eyelid (palpebra)
movable protective fold that covers eye
blepharotopsis, ptosis
drooping of eyelid
blepharoplasty
surgical repair of eyelid
anterior chamber
fluid-filled space between cornea and iris
trichiasis
misdirected eyelashes rub on conjunctiva or cornea
iris
colored circle, behind cornea that regulates light into pupil
tropo
turning
ocul/o, ophthalm/o, opt/o
eye
cilary muscle
smooth muscle portion of ciliary body, contracts and assists in near vision
glands of Zeis
oil glands surrounding eyelashes
lacrimal ducts
tubes that carry tears to lacrimal sac
accommodation
ability of eye to adjust focus on near
chalaza
hailstone
hetero
other
coren/o, kerat/o
cornea
vitre/o
glassy
tonometry
use of tonometer to measure intraocular pressure
skotos
darkness
humor
fluid
retinal detachment
separation of retina from epithelium
exotropia
eye deviates outward
strabismus, heterotropia
eye misalignment
eso
inward
esotropia
right or left eye deviates inward
distance visual acuity
ability to see details of objects at a distance
miotic
an agent that causes pupil to contract
cryoretinopexy, cryopexy
use of intense cold to seal hole in retina
exophthalmos
abnormal protrusion of eyeball
blephar/o
eyelid
fluorescein
visualization and photography of retinal and choroidal vessels
presbyopia
impaired vision caused by old age
choroid
vascular layer beneath sclera provides nourishment
meibomian glands
oil glands located along rim of eyelids
canal of Schlemm
duct in anterior chamber that carries aqueous humor to veins
aqueous humor
water liquid secreted at ciliary body
blepharochalasis, dermatochalasis
baggy eyelid
ciliary processes
epithelial tissue folds on the inner surface of ciliary body, secrete aqueous humor
lacrimal sac
structure collects tears and empties into nasolacrimal duct
mydriatic
an agent that causes dilation of pupil
presby/o
old age
pseudo
false
conjunctiv/o
conjunctiva (to join together)
asthenopia
eyestrain
laser-assisted in situ keratoileusis (LASIKS)
technique using excimer laser to reshape cornea
stigma
point
entropion
inward turning of rim of eyelid

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