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Chapter 5 Cards
Medical Terminology: Creative Study Assignment - Chapter 5
| Term | Definition |
|---|---|
| blephar/o | eyelid |
| kerat/o | cornea |
| phac/o | lens (lentil) |
| phak/o | lens (lentil) |
| choroid | vascular layer beneath the sclera that provides nourishment to the outer portion of the retina |
| ciliary muscle | smooth muscle portion of the of the ciliary body, which contracts to assist in near vision |
| trabecular meshwork | mesh-like structure in the anterior chamber that filters the aqueous humor as it flows into the scleral venous sinus |
| diplopia | double vision |
| nystagmus | involuntary, rapid oscillating movements of the eyeball (nystagmos = a nodding) |
| scotoma | blind spot in vision (skotos = darkness) |
| aphakia | absense of the lens, usually after cataract extraction |
| ectropion | outward turmimg of the rim of the eyelid (tropo = turning) |
| epiphora | abnormal overflow of tears caused by blockage of the lacrimal duct (epi = upon; phero = to bear) |
| hordeolum | an acute infection of the sebaceous gland of the eyelid; also called a sty (hordeum = barley) |
| pseusophakia | an eye in which the natural lens is replaced with an artificial lens implant (pseudo = false) |
| pterygium | fibrous, wing-shaped growth of conjuntival tissue that extends onto the cornea, devoloping most commonly prolonged exposure to ultraviolet light |
| esotropia | right or left eye deviates inwards, toward the nose (eso = inward; tropo = turning) |
| trichiasis | misdirected eyelashes that rub on the conjunctiva or cornea |
| tonometry | use of a tonometer to measure intraocular pressure, which is elevated in glaucoma |
| cryoretinoplexy | use of intense coldto seal a hole or a tear in the retina; used to treat retinal detachment; also called cryoplexy |
| enucleation | excision of an eyeball |
| phacoemulsification | use of ultrasound to shatter and break up a cataract, with aspiration and removal |
| eye instillation | introduction of a medicated solution in the eye, usually administered bya drop (gt) or drops (gtt) in affected eye or eyes |
| eye irrigation | washing of the eye with water or other fluid (e.g., saline) |
| cycloplegic | agent that paralyzes the ciliary muscle and the powers of accommodation; commonly used in pediatric eye examinations |
| mydriatic | agent that causes dilation of the pupil; used for certain eye examinations |
| miotic | agent that causes the pupil to contract (mio = less) |
| cataract extraction | excision of a cloudy lens form the eye |
| iritis | inflammation of the iris |
| keratitis | inflammation of the cornea |
Created by:
sstrickland25
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