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Willis Med Terminology: Eyes
Medical Terms Chapter 10 Eyes
62
Medical
Undergraduate 1
04/07/2006

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Term
_______________is a condition of defective curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina.
Definition
astigmatism
Term
An instrument used to measure intraocular pressure
Definition
tonometer
Term
"Absence of a lens, usually after a cataract extraction"
Definition
aphakia
Term
An agent that causes the pupil to dilate
Definition
mydriatic
Term
Abbreviation of the artificial lens used in a common procedure in which the native lens is removed because it becomes cloudy
Definition
IOL
Term
An intraocular lens implant is common after which surgical procedure?
Definition
cataract extraction
Term
An eye that has an artificial lense is called
Definition
pseudophakia
Term
An inward turning of the rim of the eyelid
Definition
entropon
Term
An outward turning of the rim of the eyelid
Definition
ectropion
Term
The combining form used in the term aqueous means
Definition
water
Term
The liquid that fills the anterior and posterior chamber of the eye
Definition
aqueous humor
Term
The medical term for eyestrain
Definition
Asthenopia
Term
"Drooping of the eyelid, usually caused by paralysis" (note that the meaning is different than blepharochalasis)
Definition
blepharoptosis
Term
"Sudden, involuntary contraction of the eyelid"
Definition
blepharospasm
Term
Opaque clouding of the lens causing decreased visual acuity
Definition
cataract
Term
"The clear, transparent anterior portion of the eyeball"
Definition
cornea
Term
Excision of the eyeball
Definition
enucleation
Term
The turning of the eye medially toward the other
Definition
esotropia
Term
The combining forms in lacrimation and dacryocystectomy mean
Definition
tear
Term
"Involuntary, rapid oscillating movement of the eyeball is called: "
Definition
nystagmus
Term
A corneal transplant is also known as __________________.
Definition
keratoplasty
Term
Secretion of tears
Definition
lacrimation
Term
"Loss of accommodation, the inability of the eye to focus on near objects is characteristic of ________________."
Definition
presbyopia
Term
The combining form in the term intraocular means ______________.
Definition
eye
Term
The combining form in the term pseudophakia means _____________.
Definition
lens
Term
"A benign growth of conjuntival tissue on the cornea, usually caused by extensive exposure to UV light."
Definition
pterygium
Term
The combining form in the term scleritis refers to__________.
Definition
hard or sclera
Term
The _______ is responsible for central vision.
Definition
macula
Term
Cells in the retina that respond to bright light
Definition
cones
Term
The ________ contracts and expands to regulate the amount of light that passes through the pupil.
Definition
iris
Term
The transparent structure behind the pupil that bends and focuses light on the retina
Definition
lens
Term
The innermost layer of the eye that perceives and transmits light to the optic nerve
Definition
retina
Term
Inability of the eye to focus on distant objects
Definition
myopia
Term
Changes in vision due to old age
Definition
presyopia
Term
"The disease characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision is ________________. "
Definition
glaucoma
Term
The instrument used to visualize the interior of the eye
Definition
ophthalmoscope
Term
The jelly-like mass filling that gives bulk to the eye.
Definition
vitreous
Term
The medical term for a sty
Definition
hordeolum
Term
inflammation of the tear sac
Definition
dacryocystitis
Term
The medical term for farsightedness
Definition
hyperopia
Term
The medical term for pinkeye
Definition
conjunctivitis
Term
The medical term for eyelid
Definition
palpebra
Term
Phacolysis means destruction of the ___________________
Definition
lens
Term
The physician who specializes in medical and surgical treatment of the eye is a/an:
Definition
ophthalmologist
Term
The medical term for double vision
Definition
diplopia
Term
The use of intense cold to seal a hole or tear in the retina is performed in which surgical procedure?
Definition
cryoretinopexy
Term
"The tough, white outer protective layer of the eye is known as the _____________. "
Definition
sclera
Term
Oil glands located along the ridge of the eyelids are the ____________ glands
Definition
meibomian
Term
Vitreous pertains to the ________________substance of the eye
Definition
glassy
Term
Keratometer is an instrument that measures the ________.
Definition
cornea
Term
Structure secretes tears
Definition
lacrimal gland
Term
Abnormal protrusion of one or both eyeballs
Definition
exophthalmos
Term
The combining forms used in the terms circumcorneal and keratoplasty means
Definition
cornea
Term
Outward turning of the eye
Definition
exotropia
Term
An agent that causes the pupil to contract
Definition
miotic
Term
misdirected eyelashes that rub on the conjuctiva or cornea
Definition
trichiasis
Term
Blind spots in vision
Definition
scotoma
Term
Chronic nodular inflammation of the oil glands lining the eyelids
Definition
chalazion
Term
A breakdown of the spot of central vision on the back wall of the retina is called ________________ degeneration
Definition
macular
Term
Absence of coordinated directional control of both eyes
Definition
strabismus
Term
Surgical procedure commonly used to correct refractive errors by reshaping the cornea
Definition
keratomileusis
Term
Baggy eyelid, caused by loose, saggy skin (note that the meaning is different than blepharoptosis, which is drooping eyelid due to a stroke)
Definition
blepharochalasis, also known as dermatochalasis
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