Term
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Definition
| outer protective layer of the eye; the portion seen on the anterior portion of the eyeball is referred to as the white of the eye |
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Definition
| transparent anterior part of the sclera, which is in front of the aqueous humor and lies over the iris |
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Definition
| middle layer of the eye, which is interlaced with many blood vessels |
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Definition
| the pigmented muscular structure that allows light to pass through |
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Definition
| opening in the center of the iris |
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Definition
| lies directing behind the pupil. its function is to focus and bend light |
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Definition
| innermost layer of the eye, which contains the vision receptors |
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Definition
| watery liquid found in the anterior cavity of the eye |
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Definition
| jellylike substance found behind the lens in the posterior cavity of the eye that maints its shape |
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Definition
| oil glands found in the upper and lower edges of the eyelids that help lubricate the eye |
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Term
| lacrimal glands and ducts |
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Definition
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Definition
| carries visual impulses from the retina to the brain |
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Definition
| mucous membrane lining the eyelids and covering the anterior portion of the sclera |
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Term
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Definition
| defective curvature of the refractive surface of the eye |
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Term
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Definition
| clouding of the lens of the eye |
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Term
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Definition
| obstruction of an oil gland of the eyelid aka meibomian cyst |
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Definition
| separation of the retina from the choroid in back of the eye |
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Term
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Definition
| normal refractive condition of the eye |
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Definition
| eye disorder characterized by optic nerve damage usually caused by the abnormal increase of intraocular pressure. if not treated it will lead to blindness |
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Definition
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Term
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Definition
| a progressive deterioration of the portion of the retina called the macula lutea, resulting in loss of central vision |
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Definition
| poor vision at night or in faint light |
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Definition
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Definition
| involuntary, jerking movements of the eyes |
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Definition
| impaired vision as a result of aging |
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Definition
| thin tissue growing into the cornea from the conjunctiva, usually caused from sun exposure |
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Term
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Definition
| hereditary, progressive disease marked by night blindness with atrophy and retinal pigment changes |
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Definition
| abnormal condition of squint or crossed eyes caused by the visual axes not meeting at the same point |
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Term
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Definition
| infection of an oil gland of the eyelid |
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Term
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Definition
| surgical removal of the eyeball;also, removal of any organ that comes out clean and whole |
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Term
| LASIK [laser assisted in situ keratomileusis] |
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Definition
| a laser procedure that reshapes the corneal tissue beneath the surface of the cornea to correct astigmatism, hyperopia, and myopia. differs from PRK in that it reshapes corneal tissue beneath the surface instead of on the surface |
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Term
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Definition
| method to remove cataracts in which an ultrasonic needle probe breaks up the lens, which is then aspirated |
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Term
| PRK [photorefrative keratectomy] |
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Definition
| a procedure for the treatment of nearsightedness in which an Excimer laser is used to reshape/flatten the corneal surface by removing a portion of the cornea |
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Term
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Definition
| a procedure to repairs tears in the retina by use of an intense, precisely focused light beam, which causes coagulation of the tissue protein |
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Term
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Definition
| a procedure to repair a detached retina. a strip of sclera is resected, or a fold is made in the sclera. an exoplant is used to hold and buckle the sclera |
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Term
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Definition
| surgical creation of a drain to reduce intraocular pressure, used to treat glaucoma |
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Term
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Definition
| surgical removal of all or part oft he vitreous humor-- used to treat diabetic retinopathy |
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Term
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Definition
| agent that constricts the pupil |
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Term
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Definition
| agent that dilates the pupil |
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Definition
| medical term for right eye |
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Definition
| medical term for left eye |
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Definition
| medical term for each eye |
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Definition
| specialist who fills prescriptions for lenses;cannot prescribe |
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Definition
| a health professional who prescribes corrective lenses and or eye exercises |
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Definition
| sharpness of vision for either distance or nearness |
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