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CHNP 2010 CH.5

QuestionAnswer
blephar/o eyelid
corne/o cornea
dacry/o tear
ir/o iris, colored part of eye
ophthalm/o eye
phak/o lens (lentil)
phot/o light
presby/o old age
retin/o retina
vitre/o glassy
-opia vision condition
anterior chamber fluid-filled space between the cornea and iris
scleral venous sinus duct in the anterior chamber that carrier filtered aqueous humor to veins and bloodstream; also called canal of Schlemm
choroid vascular layer beneath the sclera that provides nourishment to the outer portion of the retina
ciliary body ring of tissue behind the peripheral iris that is composed of ciliary muscle and ciliary processes
ciliary muscle smooth muscle portion of the ciliary body, which contracts to assist in near vision
Ciliary processes epithelial tissue folds on the inner surface of the ciliary body that secrete aqueous humor
eyelid movable, protective fold that opens and closes, covering the eye; also called palpebra
fovea centralis pinpoint depression in the center of the macula lutea that is the site of sharpest vision
fundus interior surface of the eyeball, including the retina, optic disk, macula, and posterior pole (curvature at the back of the eye)
meibomian glands oil glands located along the rim of the eyelids
Zeis glands oil glands opening into the follicles of the eyelashes
tarsal glands oil glands located along the rim of the eyelids; also called meibomian glands
lacrimal gland gland located in the upper outer region above the eyeball that secretes tears
lens capsule capsule that encloses the lens
macula lutea central region of the retina; responsible for central vision; yellow pigment provides its color
optic disc exit site of retinal nerve fibers as well as entrance point for retinal arteries and exit point for retinal veins
optic nerve nerve responsible for carrying impulses for the sense of sight from the retina to the brain
blepharospasm involuntary contraction of the muscles surrounding the eye causing uncontrolled blinking and lid squeezing
diplopia double vision
nystagmus involuntary, rapid, oscillating movement of the eyeball
scotoma blind spot in vision
Created by: csagastume2
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