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Senses_
Senses system
| Question | Answer |
|---|---|
| Audiometry | The graphic record drawn from results of hearing tests with audiometer; charts the threshold of hearing at various frequencies against sound intensity in decibels |
| Electrocochleography | A measurement of electrical potentials generated in the inner ear as a result of sound stimulation |
| Electronystagmography | Electrooculography; skin electrodes placed at outer canthi to register horizontal nystagmus, or above and below each eye for vertical nystagmus |
| Electroretinography | A record of the retinal action currents produced in the retina by an adequate light stimulus |
| Fluorescein | An orange-red crystalline powder that yields a bright green fluorescence in solution; a nontoxic, water-soluble indicator used diagnostically to trace water flow and to visualize corneal abrasions or ulcers |
| Gonioscope | A lens designed to study the angle of the anterior chamber of the eye |
| Ophthalmoscope | An instrument for examining the inner eye chambers and the retina |
| Optometer | An instrument for determining the refraction of the eye |
| Optomyometer | An instrument for determining the relative power of the extrinsic muscles of the eye |
| Otoscope | An instrument for examining the drum membrane or auscultating the ear |
| Slit lamp | An instrument consisting of a microscope combined with a rectangular light source that can be narrowed into a narrow beam for examination of anterior segments of the eye |
| Tonometry | Measurement of ocular tension |
| Tympanogram | A visual depiction (e.g. printout) of relative compliance and impedance of the structures of the middle ear in response to pressure changes in the external ear canal |
| Iridotomy | Creating a hole in the iris to prevent or treat angle closure glaucoma |
| Laser photocoagulation | A method by which a beam of electromagnetic energy is direted to desired tissue under visual control; localized coagulation results from absorption of light energy and its conversion to heat or conersion of tissue to plasma (atoms stripped of electrons) |
| Mastoidectomy | Hollowing out of the mastoid process by curretting, gouging, drilling, or otherwise removing the bony partitions forming the mastoid cells |
| Myringotomy | Paracentesis of the tympanic membrane |
| Optic keratoplasty | Transplantation of transparent corneal tissue to replace a leukoma or scar that impairs vision |
| Phacoemulsification | A method of emulsifying and aspirating a cataract with a low-frequency ultrasonic needle |
| Radial keratotomy | A radial incision operation making a partial thickness incision into cornea to flatten it and reduce its refractive power in that meridian |
| Refractive surgery | Surgical procedure to detect an error of refraction and to correct it by means of lenses |
| Scleroplasty | Surgical molding or reshaping of the sclera |
| Stapedectomy | Operation to remove stapes footplate in whole or part with replacement of stapes superstructure (crura) by metal or plastic prosthesis; used for otosclerosis with stapes fixation to overcome conductive hearing loss |
| Tympanoplasty | Operative correction of a damaged middle ear |
| Vitrectomy | Removal of the vitreous by means of an instrument that simultaneously removes vitreous by suction and cutting and replaces it with saline or some other fluid |
Created by:
pmm
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