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| Adjustment of the eye for various distances so that images fall on the retina of the eye |
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| Clearness or sharpness of a sensory function |
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| Tissues or structures in the body adjacent to or near a related structure |
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| Any fluid or semifluid or the body |
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| Series of intricate communicating passages |
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| Substance or surface that neither transmits nor allows the passage or light |
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| Fluid that very closely resembles spinal fluid but found in the cochlea |
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| Light-sensitive pigment in the retinal cones and rods that absorbs light and initiates the visual process; also called visual pigment |
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| Ability to bend light rays as they pass from one medium to another |
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| Layer or coat of tissue; also called membrane layer |
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| ciliary body of the eye, circular; cycle |
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| tear, lacrimal apparatus (duct, sac, or gland) |
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| horny tissue, hard, cornea |
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| hardening; sclera (white of eye) |
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| vitreous body (of the eye) |
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| tubes (usually fallopian or eustachian tubes) |
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| Severe congenital deficiency in color perception; also called complete color blindness |
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| small, hard tumor developing on the eyelid, somewhat similar to a sebaceous cyst |
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| Inflammation of the conjunctiva with vascular congestion that produces a red or pink eye and may be secondary to allergy or viral, bacterial, or fungal infection |
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| Eversion, or outward turning, of the edge of the lower eyelid |
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| inversion, or inward turning, of the edge of the lower eyelid |
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| abnormal overflow of tears |
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| Localized, circumscribed, inflammatory swelling of one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called stye |
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| Visual distortion of objects |
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| Impaired vision in dim light; also called night blindness |
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| type of involuntary eye movement that appear jerky and may reduce vision or be associated with other, more serious condition that limit vision |
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| Swelling and hyperemia of the optic disc, usually associated with increased intracranial pressure; also called choked disc |
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| unusual intolerance and sensitivity to light |
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| loss of accommodation of the crystalline lens associated with the aging process |
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| Any disorder of retinal blood vessels |
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| disorder that occurs in pts with diabetes and manifests as small hemorrhages, edema, and formation for new vessels on the retina, leading to scarring and eventual loss of vision |
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| Chronic, contagious form of conjunctivitis that typically leads to blindness |
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| complete deafness, also called anacusia |
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| blocking of sound waves as they pass through the external and middle ear (conduction pathway) |
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| inflammation of the inner ear that usually results from an acute febrile process |
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| Disorder of the labyrinth that leads to progressive loss of hearing |
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| condition caused by the destruction of hair cells, the organs responsible for hearing, as a result of sounds that are "too long, too loud, or too close." |
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| infection of the external auditory canal |
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| impairment of hearing resulting from old age, also called presbyacusia |
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| Perception of ringing, hissing, or other sounds in the ears or head when no external sound is present |
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| sensation of a spinning motion either of oneself or of the surroundings |
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| Flushing of the ear canal with water or saline to dislodge foreign bodies or impacted cerumin |
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| Stereoscopic magnified view of the anterior eye structures in detail, which includes the cornea, lens, iris, sclera, and vitreous humor |
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Definition
| 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 sun |
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| pressure-equalizing (PE) tube placement |
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Definition
| Insertion of tubes through the TM, commonly used to treat chronic otitis media, also called tympanostomy tubes or ventilation tubes |
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| cochlear implant insertion |
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Definition
| Placement of an artificial hearing device that produces hearing sensations by electrically stimulating nerves inside the inner ear; also called bionic ear |
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Definition
| Formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma |
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| removal of the eyeball from the orbit |
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| removal of the contents of the eye while leaving the sclera and cornea intact |
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| surgical opening of a cavity within the mastoid process |
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| corrective surgery for a deformed or excessively large or small pinna |
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| method of treating cataracts by using US waves to disintegrate a cloudy lens, which is then aspirated and removed |
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| incision of the cornea for tx of nearsightedness or astigmatism |
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| surgical formation of an opening in the sclera |
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| reconstruction of the eardrum, commonly due to perforation; also called myringoplasty |
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| measurement of hearing acuity at various sound-wave frequencies |
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| 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 |
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| method of assessing and recording eye movements by measuring the electrical activity of the extraocular muscles |
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| Examinatioon of the angle of the anterior chamber of the eye to determine ocular motility and rotation and dx and manage glaucoma |
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Definition
| Measurement of the blood pressure of the retinal vessels |
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Definition
| visual examination of the external auditory canal and the TM using and otoscope |
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Definition
| procedure that assesses the ability of the TM to move in response to a change in air pressure |
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Definition
| Evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of the reflected light rays |
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Definition
| evaluation of intraocular pressure by measuring the resistance of the eyeball to indentation by an applied force |
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Definition
| Evaluation of sound conduction using a vibrating tuning fork |
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Definition
| Tuning fork test that evaluates bone conduction versus air conduction of sound |
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Definition
| Turning fork test that evaluates bone conduction of sound in both ears at the same time |
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Definition
| Part of an eye examination that determines the smallest letters that can be read on a standardized chart at a distance of 20 feet. |
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Definition
| Radiographic imaging procedure of the nasolacrimal (tear) glands and ducts |
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Definition
| Evaluation of blood vessels and their leakage in and beneath the retina after injection of fluorescein dye, which circulates while photographs of the vessels within the eye are obtained |
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