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Chapter 15 Terms

Diagnostic and Therapeutic Procedures

TermDefinition
audiometry Measurement of hearing acuity at various sound wave frequencies
caloric stimulation test Test that uses different water temperatures to assess the vestibular portion of the nerve of the inner ear (acoustic nerve) to determine if nerve damage is the cause of vertigo
electronystagmography (ENG) Method of assessing and recording eye movements by measuring the electrical activity of the extraocular muscles
ophthalmodynamometry Measurement of the blood pressure of the retinal vessels
tonometry Evaluation of intraocular pressure by measuring the resistance of the eyeball to indentation by an applied force
visual acuity (VA) test Part of an eye examination that determines the smallest letters that can be read on a standardized chart at a distance of 20 feet
gonioscopy goni/o: angle Examination of the angle of the anterior chamber of the eye to determine ocular motility and rotation and diagnose and manage glaucoma
ophthalmoscopy Visual examination of the interior of the eye using a hand-held instrument called an ophthalmoscope, which has various adjustable lenses for magnification and a light source to illuminate the interior of the eye
otoscopy Visual examination of the external auditory canal and the tympanic membrane using an otoscope
pneumatic Procedure that assesses the ability of the tympanic membrane to move in response to a change in air pressure
retinoscopy Evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of reflected light rays
dacryocystography Radiographic imaging procedures of the nasolacrimal (tear) glands and ducts
fluorescein angiography Assesses blood vessels and their leakage in and beneath the retina after injection of fluorescein dye. The dye circulates while photographs of the vessels within the eye are obtained.
orthoptic training Exercises intended to improve eye movements or visual tracking that use training glasses, prism glasses, or tinted or colored lenses
blepharoplasty Cosmetic surgery that removes fatty tissue above and below the eyes that commonly form as a result of the aging process or excessive exposure to the sun
cochlear implant Artificial hearing device that produces useful hearing sensations by electrically stimulating nerves inside the inner ear; also called bionic ear
cyclodialysis Formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma
enucleation Removal of the eyeball from the orbit
evisceration Removal of the contents of the eye while leaving the sclera and cornea intact
mastoid antrotomy Surgical opening of a cavity within the mastoid process
otoplasty Corrective surgery for a deformed or excessively large or small pinna
phacoemulsification Method of treating cataracts by using ultrasonic waves to disintegrate a cloudy lens, which is then aspirated and removed
radial keratotomy (RK) Incision of the cornea for treatment of nearsightedness or astigmatism.
sclerostomy Surgical formation of an opening in the sclera
tuning fork test Method use to evaluate sound conduction using a vibrating tuning fork
Rinne Tuning fork test that evaluates bone conduction (BC) versus air conduction (AC) of sound
Weber Tuning fork test that evaluates bone conduction of sound in both ears at the same time
tympanoplasty Reconstruction of the eardrum, commonly due to perforation; also called myringoplasty
Created by: Esuvill0