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119 Cards in this Set
- Front
- Back
aque/o
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water
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blephar/o
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eyelid
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conjuctiv/o
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conjectiva
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corne/o
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cornea
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kerat/o
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cornea
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ir/o
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colored circle, iris
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irid/o
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colored circle, iris
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lacrim/o
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tear
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dacry/o
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tear
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ocul/o
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eye
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opthalm/o
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eye
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opt/o
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eye
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phac/o
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lens (lentil)
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phak/o
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lens (lentil)
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phot/o
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light
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presby/o
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old age
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retin/o
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retina
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scler/o
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hard or sclera
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vitre/o
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glassy
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-opia
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condition of vision
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anterior chamber
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fluid-filled space between cornea and iris
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aqueous humor
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watery liquid secreted at the ciliary body that fills the anterior and posterior chambers of the eye
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canal of Schlemm
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duct in anterior chamber that carries filtered aqueous humor to the veins and bloodstream
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choroid
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vascular layer beneath the sclera that provides nourishment to outer portion of the retina
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ciliary body
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ring of muscle behind the peripheral iris that controls the focusing shape of the lens
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ciliary muscle
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smooth muscle portion of the cilieary body which contracts to assist in near vision capability
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ciliary process
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epithelial tissue folds on the inner surface of the ciliary body that secrete aqueous humor
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conjuctiva
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mucous membrance that lines the eyelids and outer surface of the eyeball
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cornea
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transparent, anterior part of the eyeball covering the iris, pupil, and anterior chamber
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palpebra
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eyelid
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fovea centralis
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pinpoint depression in the center of the macula lutea that is the site of sharpest vision
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fundus
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interior surface of eyeball
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glands of Zeis
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oil glands surrounding eyelashes
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meibomian glands
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old glands located around the rim of the eyelids
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iris
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colored circle
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lacrimal gland
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gland that secretes tears
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lacrimal ducts
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tubes that carry tears to the lacrimal sac
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lacrimal sac
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structure that collects tears before emptying into nasolacrimal duct
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lens
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focuses light rays on the retina
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lens capsule
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capsule that encloses lens
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macula lutea
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central region of the retina responsible for central vision
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nasolacrimal duct
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passageway for tears from lacrimal sac to nose
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optic disc
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exit site of retinal nerve
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optic nerve
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carries impulses from retina to brain
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posterior chamber
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space between back of itis and the front of the vitrous chamber
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pupil
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black opening in center of iris
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retina
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innermost layer that perceives and transmits light to the optic nerve
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cones
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responds to bright light
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rods
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responds to dim light
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sclera
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tough, fibrous, white outer coat extending from the cornea to the optic nerve
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trabecular meshwork
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mesh-like structure in the anterior chamber that filters the aqueous humor as it flows into the canal of Schlemm
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vitrous
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jelly-like mass filling the inner chamber between the lens and retina that gives bulk to the eye
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asthenopia
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eyestrain
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blepharospasm
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involuntary contraction surrounding eye causing unncontrolled blinking
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diplopia
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double vision
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exophtalmos/us
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abnormal protrusion of one or both eyeballs
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lacrimation
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secretion of tears
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nystagmus
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involuntary, rapid oscillating movement of the eyeball
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photophobia
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extreme sensitivity to and discomfort from light
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scotoma
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blind spot in vision
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scotophobia
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fear of the dark
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refractive errors
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defects in the bending of light as it enters the eye, causing an improper focus on the retina
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astigmatism
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distorted vision caused by oblong curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina
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hyperopia
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farsightedness
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myopia
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nearsightedness
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presbyopia
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impaired vision caused by old age
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accomodation
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ability of the eye to adjust focus on near objects
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aphakia
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absence of the lens, usually after cataract extraction
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blepharitis
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inflammation of the eyelid
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blepharochalasis
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baggy eyelid
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dermatochalasis
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baggy eyelid
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blepharoptosis
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drooping of the eyelid, usually caused by paralysis
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chalazion
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chronic nodular inflammation of the meibomian gland, usually the result of a blocked duct
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cataract
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opaque clouding of the lens causing decreased vision
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conjunctivitis
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pinkeye
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dacryocystitis
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inflammation of the lacrimal gland
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diabetic retinopathy
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disease of the retina in diabetics characterized by capillary leakage
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ectropion
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outward turning of the rim of the eyelid
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entropion
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inward turning of the rim of the eyelid
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epiphora
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abnormal overflow of tears caused by blockage of the lacrimal duct
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glaucoma
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disease of the eye characterized by increased intraocular pressur that results in damage to the optic nerve, producing defects in vision
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hordeolum
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a sty, acute infection
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iritis
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inflammation of the iris
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keratitis
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inflammation of the cornea
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macular degeneration
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breakdown or thinning of the tissues in the macula, resulting in partial or omplete loss of central vision
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pseudophakia
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an eye in which the natural lens is replaced with an artificial lens implant
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pterygium
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a fibrous, wing-shaped growth of conjuntival tissue that extends onto the cornea developing most commonly from prolonged exposure to ultraviolet light
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retinal detachment
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seperation of the retina from underlying epithelium, disrupting vision and resulting in blindness if not repaired surgically
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retinitis
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inflammation of the retina
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strabismus
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a condition of the eye misalignment caused by intraocular muscle imbalance
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heterotropia
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eye misalignment caused by intraocular muscle imbalance
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esotropia
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right or left eye deviates inward toward nose
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exotropia
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right or left eye deviates outward away from the nose
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sceritis
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inflammation of the sclera
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trichiasis
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misdirected eyelashes that rub on conjuctiva or cornea
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distance visual acuity
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a measure of the ability to see the details and shape of identifiable objects from a specified distance
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fluorescein angiography
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visualization and photography of retinal and choroidal vessels mase as fluorescein dye, which is injected into a vein, circulates through the eye
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opthalmoscopy
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use of an opthalmoscope to view the interior of the eye
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slit lamp biomicroscopy
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use if a tabletop microscope used to examine the eye, especially the cornea, lens, fluids, and membranes
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sonography
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use of high frequency sound waves to detect pathology within the eye such as foreign bodies or detached retina
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tonometry
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use of tonometer to measure intraocular pressure, which is elevated in glaucoma
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blepharoplasty
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surgical repair of eyelid
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cataract extraction
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excision of a cloudy lens from the eye
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cryoretinopexy
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use of intense cold to seal a hole or tear int he retina; used to treat retinal detachment
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dacryocystectomy
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excision of lacrimal sac
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enucleation
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excision of an eyeball
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iridectomy
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excision of a portion of iris tissue
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iridotomy
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incision into the iris to allow drainage of aqueous humor
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keratoplasty
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corneal transplant
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laser surgery
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use of laser to make incisions or destroy tissues
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laser-assisted in situ keratomileusis
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using excimer laser to reshape the surface of the cornea to correct refractive errors such as myopia, hyperopia, and astigmatism
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intraocular lens implant
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inplantation of an artificial lens to replace a defective natural lens
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phacoemulsification
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use of ultrasound to shatter and break up a cataract with aspiration and removal
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contact lens
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a small plastic curved disc with optical correction tht fits over the cornea
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eye instillation
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introduction of a medicated solution in the eye usually administered by drop in the affected eye
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eye irrigation
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washing of the eye with water or other fluid
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antibiotic opthalmic solution
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antimicrobial agent in solution , used to treat bacterial infections
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mydriatic
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an agent that causes dilation of the pupil
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miotic
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an agent that causes the pupil to contract
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