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Definition
| bony cavity of the skull that encases the eye |
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Definition
| mucous membrane that lines the eyelids and outer surface of the eyeball |
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| ducts that carry tears from the lacrimal glands to the nose |
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| sclera-outer layer of the eye |
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Definition
| tough outer layer of the eye(the white of the eye) that extends from the cornea to the optic nerve |
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| cornea-outer layer of the eye |
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Definition
| transparent outer covering of the anterior portion of the eye |
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Term
| aqueous humor-outer layer of the eye |
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Definition
| watery fluid that fills the anterior chamber of the eye |
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Term
| iris-outer layer of the eye |
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Definition
| colored muscular part of the eye located behind the cornea that allows light to pass through |
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| pupil-middle layer of the eye |
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Definition
| opening in the middle of the iris through which light passes |
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Definition
| transparent structure behind the pupil that bends and focuses light rays |
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| choroid-middle layer of the eye |
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Definition
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| vitreous humor-middle layer |
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Definition
| jelly like fluid that fills the posterior chamber of the eye |
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| retina-inner layer of eye |
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Definition
| innermost layer of the eye that contains visual receptors |
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Definition
| nerve that carries impulses from the retina to the brain to provide the sense of sight |
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| posterior portion of the interior of the eyeball, visible through the ophthalmoscope |
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| destruction, breakdown, separation |
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| instruments for measuring |
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| abnormal fear, aversion to , sensitivity to |
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| prolapse, drooping, sagging |
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| ability of the eye to adjust focus on near objects |
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| poor vision, usually in only one eye caused by abnormal development of the visual areas;also known as "lazy eye" |
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Definition
| distorted, blurry vision caused by abnormal curvature of the cornea or lens |
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| deficiency in distinguishing some colors |
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| poor vision in reduced light or at night; commonly called night blindness |
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| extreme sensitivity to light |
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| impaired vision caused by old age |
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| condition of the eye characterized by severe conjunctivities |
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| growth of conjunctival tissue over the cornea;usually associated with prolonged exposure to UV light |
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| clouding of the lens of the eye causing poor vision |
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Definition
| separation of the retina form the choroid in the back of the eye:caused by injury, tumor or hemorrhage |
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Definition
| degenerative changes of the retina caused by diabetes mellitus(lead to blindness) |
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Definition
| deterioration of the macula(central part of the retina) causing impaired central vision;related to aging |
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Definition
| hereditary progressive deterioration of the retina causing nyctalopia and impaired vision |
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Definition
| movement of the upper eyelids and eyeballs through use of extraocular muscles;assessed during clinical examination to screen for eye movement disorders |
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Definition
| visualization and photographic recording of the flow of an orange fluorescent dye through the blood vessels of the eye |
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Definition
| instrument for measuring the curvature of the cornea |
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Definition
| instrument used for examining the interior of the eye through the pupil |
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| test using a manual refractor to determine an exact vision prescription |
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| chart containing symbols that is used in the testing of visual acuity |
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Definition
| use of tonometer to measure intraocular pressure within the eye to diagnose glaucoma |
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Definition
| testing for the sharpness (clarity) of distant vision, usually with a snellen chart;normal visual acuity is 20/20 |
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Definition
| assessment of the range (area) visible to one eye without movement |
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Definition
| laser to create corneal flap and reshape the corneal tissue;corrects myopia, hyperopia and astigmatism |
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| photorefractive keratectomy |
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Definition
| procedure using a laser to reshape the cornea to correct vision |
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Definition
| surgical removal of a cataract |
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Definition
| surgical fixation of a detached retina or retinal tear by using extreme cold to seal the tear |
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Definition
| implantation of an artificial lens to replace a defective natural lens |
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Definition
| use of ultrasound to shatter and break up a cataract followed by aspiration and removal |
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Definition
| repair of a retinal detachment or tear by using a laser beam to coagulate the tissues to allow a seal form |
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Definition
| repair of a retinal detachment by attaching a band or a buckle around the sclera to keep the retina from pulling away |
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Definition
| treats swelling and itching of the eye |
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Definition
| relieves dry irritated eyes |
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| relaxes muscles in the eyes interior structure to allow better outflow of fluids |
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| one who fills prescriptions for corrective lenses |
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Definition
| medical specialty concerned with measurement of vision and prescription of corrective treatment or lenses |
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Definition
| medical specialty concerned with the study of the eye its diseases and refractive errors |
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Definition
| external portion of the ear |
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Definition
| external portion of the ear |
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Definition
| waxy substance created by glands of the external auditory meatus;earwax |
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Definition
| eardrum;semitransparent membrane that vibrates to transmit sound waves |
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Definition
| bone located behind the ear is filled with air cavities and encloses the middle ear |
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Definition
| middle ear bones contained in the tympanic cavity that transmit sound vibrations |
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Definition
| auditory ossicle shaped like a hammer or club |
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Definition
| auditory ossicle shaped like an anvil |
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Definition
| auditory ossicle shaped like a stirrup |
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Definition
| inner ear, made of series of semicircular canals, vestibule and cochlea |
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Definition
| snail shaped organ that contains the organ of hearing |
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| spiral organ or organ of corti |
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Definition
| receptor for hearing located within the cochlea, organ of hearing |
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| semicirular canals and ducts |
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Definition
| small tubes in the labyrinth that contain receptors that assist the body in maintaining balance |
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Definition
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Definition
| tympanic membrane, eardrum |
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Definition
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Definition
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| painful, difficult, abnormal |
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Definition
| excision, surgical removal |
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Definition
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| pertaining to hearing or sound |
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Definition
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Definition
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Definition
| a benign tumor that develops on the acoustic nerve and causes hearing loss |
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Definition
| excessive buildup of earwax |
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Definition
| cystlike tumor of skin in the middle ear behind the tympanic membrane caused by chronic otitis media |
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Definition
| hearing loss due to obstruction or lesion in the outer and or middle ear |
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Definition
| impairment of hearing involving difficulty in the processing of sound |
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Definition
| inflammation of inner ear |
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Definition
| chronic condition of inner ear characterized by dizziness, tinnitus, hearing loss and sensation of pressure in the ear |
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Definition
| inflammation of the tympanic membrane |
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Definition
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Definition
| inflammation of the external auditory meatus-swimmer's ear |
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Definition
| inflammation of middle ear |
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Definition
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Definition
| discharge of pus from ear |
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Definition
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Definition
| hardening of the ossicles, particularly the stapes |
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Definition
| impaired hearing caused by old age |
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Term
| sensorineural hearing loss |
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Definition
| hearing loss caused by damage to the inner ear or the auditory nerve |
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Definition
| noises in the ear, such as ringing, buzzing, or humming |
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Term
| tympanic membrane perforation |
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Definition
| a hole in or rupture of the eardrum |
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Definition
| a spinning sensation; commonly used to mean dizziness |
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Definition
| recording of eye movements in response to electrical impulses to diagnose balance problems |
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Definition
| unit for expressing the intensity of sound |
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Definition
| frequency or pitch of sound |
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Definition
| instrument for examining the ear |
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Definition
| record of middle ear function (presented in graph form) |
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Definition
| irrigation of the ear to remove cerumen buildup |
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Definition
| an electronic device implanted in the cochlea to stimulate the auditory nerve and provide hearing sensations for the profoundly deaf |
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Definition
| surgical incision (opening) into the tympanic membrane to drain fluid from the middle |
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Term
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Definition
| surgical incision (opening) into the tympanic membrane to drain fluid from the middle |
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Definition
| surgical repair of the external ear |
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Definition
| surgical repair of the external ear |
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Definition
| removal of the stapes and replacement with a prosthesis; done to correct hearing loss from otosclerosis |
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Term
| tympanostomy tube placement |
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Definition
| placement of a tube in the tympanic membrane to relieve symptoms caused by fluid buildpup |
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Definition
| used to treat otitis media and other ear diseases caused by bacteria |
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Definition
| a substance instilled into the external auditory canal to soften earwax |
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Definition
| any medication that can be instilled into the ear drop by drop |
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Definition
| medical specialty concerned with the study and treatment of hearing disorders and fitting of hearing aids |
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Definition
| medical specialty concerned with the study of the ear and treatment of ear disease |
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Term
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Definition
| medical specialty concerned with diseases of the ear, nose, and throat |
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