Clinical Technique
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| Defect in the curvature of the eyeball surface: | astigmatism
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| Clear, watery fluid, continually secreted drained and replaced to maintain normal intraocular pressure: | aqueous humor
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| An instrument usedto measure hearing acuity quantitatively for the various frequencies of sound waves: | audiometer
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| A test for hearing acuity: | audiometry
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| The junction of the eyelids at either corner of the eye: | canthus
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| A noninfectious opacity or clouding of the lens of the eye: | cataract
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| Ear wax: | cerumen
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| Part of internal ear, contains the organ of corti, the organ of hearing: | cochlea
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| Sound is inadequately conducted through the external or middle ear to the inner ear. Common cause is buildup of cerumen: | conductive hearing loss
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| The eyelid: | conjunctiva
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| An inflammation of the conjunctiva caused by bacterial or viral infection, allergy, or enviornment factors: | conjuntivitis
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| Prerequisite for dirver's license. Ability to identify colors of major groups: red, blue and green | color perception
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| A disorder of retinal blood vessels, frequentlyin patients with poorly controlled diabetes mellitus: | diabetic retinopathy
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| The surgical removal of the eyeball: | enucleation
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| Auditory canall of middle ear: | eustachian tube
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| An abnormal condition of elevated pressure within an eye because of obstruction of the outflow of aqueous humor: | glaucoma
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| Farsightedness: | hyperopia
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| The dropping of a liquid into a body cavity: | instillation
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| Round, intact, bilateral coloration of the eye: | iris
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| The washing of a body canal with a flowing solution: | irrigation
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| A membranous portion of the internal ear that is a series of canals: | labyrinth
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| A transparent, colorless structure that is biconvex in shape; the function is to focus light rays so that they form a perfect image on the retina: | lens
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| An infection of one of the mastoid bones: | mastoiditis
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| A chronic disease of the inner ear characterized by recurrent episodes of of vertigo or tinnitus: | Meniere's disease
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| Agents that cause the pupil to contract and lower intraocular pressure: | miotics
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| Nearsightedness: | myopia
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| A surgical incision of the eardrum: | myringotomy
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| Three small bones in the middle ear that carry sound waves from the external ear to the inner ear | ossicles
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| An inflammation or infection of the middle ear: | otitis media
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| A condition of chronic progressive deafness caused by the formation of spongy bone in the middle ear: | otosclerosis
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| Visualization of the external auditory canal and the eardrum performed with otoscope: | otoscopy
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| A decrease in the elasticity of the lens that occurs with aging, resulting in a decreased ability to focus on close objects: | presbyopia
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| In the center of the iris, circular opening, reactive to light: | pupil
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| The deflection or bending of light rays by a lens: | refraction
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| A ten-layer, delicate, nervous-tissue membrane of the eye that receives images and transmits impulses to the brain: | retina
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| White of the eye: | sclera
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| A defect in the inner ear that results in distortion, making discrimination difficult; usually caused by trauma, infection or exposure to ototoxic drugs: | sensorineural hearing loss
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| Assessment of visual acuity; used as screening test: | snellen's test
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| Inability of the eyes to focus in the same direction; commonly called cross-eyed: | strabismus
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| A subjective noise sensation heard in one or both ears; usually ringing or tinkling sounds: | tinnitus
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| A thin, semitransparent membrane between the external ear canal and the middle ear that receives and transmits sound waves: | tympanic membrane
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| The sensation that the outer world is revolving about oneself or that one is moving in space: | vertigo
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| Deep in the ear; measures balance and equilibrium: | vestibule
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| Consists of distant, near and peripheral vision: | visual acuity
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| Transparent, jelly like substance that gives shape to the eyeball; not continually replaced: | vitreous humor
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