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conjunctive (to join together) |
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ocul/o, ophthlam/o, opt/o |
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involuntary muscular contraction of the eyelid |
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surgical repair or reconstruction of the cornea |
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lacrimal sac, where tears are collected before the flow to the nose |
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inflammation of the lacrimal sac |
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breaking down of the lens |
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tumor-like condition of the lens |
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abnormal fear or sensitivity to light |
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a vision condition that is common in old age; impaired vision caused by old age or loss of accommodation |
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incision in the ciliary body |
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excision of a portion of the iris |
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fluid-filled space between the cornea and iris |
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watery liquid secreted by the ciliary processes that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens |
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duct in the anterior chamber that carries filtered aqueous humor to the veins and bloodstream |
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vascular layer beneath the sclera that provides nourishment to the outer portion of the retina |
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ring of tissue behind the peripheral iris that is composed of ciliary muscle and ciliary process |
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smooth muscle portion of the ciliary body, which contracts to assist in near vision |
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epithelial tissue fold on the inner surface of the ciliary body that secrete aqueous humor |
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mucous membrane that lines the eyelids and outer surface of the eyeball |
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transparent, anterior part of the eyeball covering the iris, pupil, and anterior chamber that functions to refract (bend) light to focus a visual image |
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movable, protective fold that opens and closes,covering the eye |
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pinpoint depression in the center of the macula lutea that is the site of sharpest vision |
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interior surface of the eyeball, including the retina, optic disk, macula, and posterior pole (curvature at the back of the eye) (fundus=base) |
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oil glands surrounding the eyelashes |
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oil glands located along the rim of the eyelashes |
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colored circle, colored part of the eye located behind the cornea that contracts and dilates to regulate light passing through the pupil |
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gland located in the upper outer region above the eyeball that secretes tears. |
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tubes that carry tears to the lacrimal sac |
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structure that collects tears before emptying into the nasolacrimal duct |
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transparent structure behind the pupil that bends and focuses light rays on the retina |
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capsule that incloses the lens |
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central region of the retina; responsible for central vision; yellow pigment provides its color (lutea=yellow) |
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passageway for tears from the lacrimal sac into the nose |
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exit site of retinal nerve fibers as well as entrance point for retinal arteries and exit point for retinal veins |
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nerve responsible for carrying impulses for the sense of sight from the retina to the brain |
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space between the back f the iris and the front of the vitreous chamber; filled with aqueous humor |
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black, circular opening in the center of the irsi through which light passes as t enters the eye |
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innermost layer that perceives and transmits light to the optic nerve |
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cone-shaped cells within the retina that are color sensitive and respond to bright light |
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rod-shape cells within the retina that respond to dim light |
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tough, fibrous, white outer coat extending from the cornea to the optic nerve |
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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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jelly-like mass filling the inner chamber between the lens and retina that gives bulk to the eye |
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exophthalmos or exophthalmus |
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abnormal protrusion of one or both eyeballs |
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involuntary, rapid, oscillating movement of the eyeball |
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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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distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina |
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farsightedness; difficulty seeing close objects when light rays are focused on a point behind the retina |
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nearsightedness; difficulty seeing distant objects when light rays are focused on a point in from of the retina |
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ability of the eye to adjust focus on near objects |
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decreased vision in early life because of a functional defect that can occur as a result of strbismus, refractive errors, or trauma; usually occurs in one eye; AKA lazy eye |
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absence of the lens, usually after cataract extraction |
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blepharochalasis or dermatochalasis |
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baggy eyelid; pverabundance and loss of skin elasticity on the upper eyelid causing a fold of skin to hang down over the edge of the eyelid when the eyes are open |
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drooping of the eyelid usually caused by paralysis |
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chronic nodular inflammation of a meibomian gland, usually the result of a blocked duct; commonly presents as a swelling on the upper or lower eyelid |
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opaque clouding of the lens causing decreased vision |
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inflammation of the lacrimal gland |
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inflammation of the tear sac |
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disease of the retina in diabetics characterized by capillary leakage, bleeding, and new vessel formation leading to scarring and loss of vision |
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outward turning of the rim of the eyelid |
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inward turning of the rim of the eyelid |
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abnormal overflow of tears caused by a blockage of the lacrimal duct |
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group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision |
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sty; an acute infection of a sebaceous gland of the eyelid |
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inflammation of the cornea |
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breakdown or thinning of the tissues in the macula, resulting in partial or complete loss of central vision |
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an eye in which the natural lens is replaced with an artificial lens implant |
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fibrous, wing-shaped growth of conjunctival tissue that extend onto the cornea,developing most commonly from prolonged exposure to ultraviolet light |
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separation of the retina from the underlying epithelium, disrupting vision and resulting in blindness if not repaired surgically |
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inflammation of the retina |
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a condition of eye misalignment caused by intraocular muscle imbalance, two types |
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right or left eye deviates INWARD, toward the nose |
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right or left eye deviates OUTWARD, away from the nose |
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inflammation of the sclera |
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misdirected eyelashes that rub on the conjunctiva or cornea |
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measure of teh ability to see the details and shape of identifiable objects from a specified distance, usually from 20 feet; normal is 20/20 |
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visualization and photgrpahy of retinal and choroidal vessels made as fluroescein dye is circulated through the eye's veins |
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use of an ophthalmoscope to view the interior of the eye |
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use of a tabletop microscope used to examine the eye, especially the cornea, lens, fluids, and membranes |
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use of high-frequency sound waves to detect pathology within the eye (eg foreign bodies, and detached retina) |
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use of tonometer to measure intraocular pressure, which is elevated in glaucoma |
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surgical repair of eyelid |
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excision of a cloudy lens from the eye |
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use of intense cold to seal a hole or tear in the retina; used to treat retinal detachment |
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excision of a lacrimal sac |
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excision of a portion of iris tissue |
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incision into the iris (usually with a laser) to allow drainage of aqueous humor from the posterior to anterior chamber; used to treat a type of glaucoma |
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use of a laser to make incisions or destroy tissues; used to create fluid passages or obliterate tumors, aneurysms, etc |
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laser-assisted in situ keratomileusis- a technique using the excimer laser to reshape the surface of the cornea to correct refractive error |
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intraocular lens (IOL) implant |
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implantation of an artificial lens to replace a defective natural lens |
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use of ultrasound to shatter and break up a cataract, with aspiration and removal |
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surgery to treat retinal detachment by placing a band of silicone around the sclera to cinch it toward the middle of the eye and relieve pull on the retina; often combined with other techniques to seal retinal tears |
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small, plastic, curved disk with optical correction tat fits over the cornea, used to correct refractive errors |
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introduction of a medicated solution in the eye, usually administered by a drop or drops in the affected eye or eyes |
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washing of the eye with water or other fluid |
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antibiotic ophthalmic solution |
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antimicrobial agent in solution; used to treat bacterial infections |
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agent that paralyzes the ciliary muscle and the powers of accommodation; commonly used in pediatric eye examinations |
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agent the causes dilation of the pupil; used for certain eye examinations |
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agent that causes the pupil to contract |
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