Language of Medicine Chapter 17 - Clinical Procedures

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Chabner's Language of Medicine, 9th edition. Clinical Procedures for Chapter 17- sense organs.

flourescein angiography

intravenous injection of flourescein (dye) followed by serial photographs of the retina through dilated pupils

ophthalmoscopy

visual examination of the interior of the eye

slit lamp microscopy

examination of the anterior oculart structures under microscopic magnification

visual acuity test

clarity of vision is assessed with Snellen chart at 20 ft.

visual field test

Measurement of the area (peripheral and central) within which objects are seen when the eyes are fixed, looking straight ahead without movement of the head

enucleation

removal of the entire eyeball

keratoplasty

surgival repair of the cornea (corneal transplant)

laser photocoagulation

intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels

LASIK

use of an excimer laser to correct errors of refraction (myopia, hyperopia, amd astigmatism)

phacoemulsification

ultrasonic vibrations break up the lens, which then is aspirated through the ultrasonic probe

scleral buckle

Suture of a silicone band to the sclera over a detached portion of the retina

vitrectomy

removal of the vitreous humor

audiometry

testing the sense of hearing

cochlear implant procedure

surgical insertion of a device that allows sensorineural hearing-impaired persons to understand speech

ear thermometry

measurement of the temperature of the tympanic membrane by detection of infrared radiation from the eardrum

otoscopy

visual examination of the ear canal with an otoscope

tuning fork test

test of ear conduction using a vibration source (tuning fork)

tonometry

Means of diagnosing glaucoma; an instrument is applied externally to the eye after administration of local anestheticto measure intraocular pressure

Rinne test

A test of ear conduction in which the base of the vibrating tuning fork is placed against the mastoid bone (bone conduction) and in front of the auditory meatus (air conduction)

Weber test

A test of ear conduction in which the tuning fork is placed on the center of the forehead

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