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Definition
| Benign tumor of the eighth cranial nerve sheath, which can cause symptoms from pressure being exerted on tissues. |
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Definition
| Control nausea and vomiting. |
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Definition
| A condition in which light rays are focused unevenly on the eye, which causes a distorted image due to an abnormal curvature of the cornea. |
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Definition
| (AuD) Provides a comprehensive array of services related to prevention, diagnosis, and treatment of hearing impairment and its associated communication disorders. |
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Definition
| The canal that leads from the external opening of the ear to the ear drum. 1 auditory tube Another name for the eustachian tube connecting the middle ear and pharynx |
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Definition
| Diminished vision resulting from the lens of the eye becoming opaque or cloudy. Treatment is usually surgical removal of the cataract. |
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Definition
| A portion of the labyrinth associated with hearing. It is rolled in the shape of a snail shell. The organs of Corti line the cochlea. |
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Definition
| Mechanical device that is surgically placed under the skin behind the outer ear (pinna). It converts sound signals into magnetic impulses to stimulate the auditory nerve. Can be beneficial for those with profound sensorineural hearing loss |
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Definition
| Pertaining to the conjunctiva. |
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Definition
| Also referred to as pink eye or an inflammation of the conjunctiva. |
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Definition
| A portion of the sclera that is clear and transparent and allows light to enter the interior of the eye. It also plays a role in bending light rays. |
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Term
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Definition
| Tube or canal that connects the middle ear with the nasopharynx and allows for a balance of pressure between the outer and middle ear. Infection can travel via the mucous membranes of the eustachian tube, resulting in middle ear infections. |
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Definition
| Increase in intraocular pressure, which, if untreated, may result in atrophy (wasting away) of the optic nerve and blindness. Glaucoma is treated with medication and surgery. There is an increased risk of developing glaucoma in persons over 60 years of age, people of African ancestry, persons who have sustained a serious eye injury, and anyone with a family history of diabetes or glaucoma. |
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Definition
| One of the three ossicles of the middle ear. Also called the anvil |
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Definition
| Pertaining to within the eye. |
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Definition
| The colored portion of the eye. It can dilate or constrict to change the size of the pupil and control the amount of light entering the interior of the eye. |
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Definition
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Definition
| Deterioration of the macular area of the retina of the eye. May be treated with laser surgery to destroy the blood vessels beneath the macula. |
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Definition
| One of the three ossicles of the middle ear. Also called the hammer. |
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Term
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Definition
| (MY) With this condition a person can see things that are close up but distance vision is blurred. Also known as nearsightedness. |
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Term
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Definition
| Jerky-appearing involuntary eye movement. |
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Definition
| Instrument to view inside the eye. |
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Definition
| The area of the retina associated with the optic nerve. Also called the blind spot. |
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Definition
| The second cranial nerve that carries impulses from the retinas to the brain. |
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Definition
| The three small bones in the middle ear. The bones are the incus, malleus, and stapes. The ossicles amplify and conduct the sound waves to the inner ear. |
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Definition
| (OM) Commonly referred to as middle ear infection; seen frequently in children. Often preceded by an upper respiratory infection. |
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Term
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Definition
| A physician specialized in the diagnosis and treatment of diseases of the ear. |
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Term
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Definition
| Progressive hearing loss caused by immobility of the stapes bone. |
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Term
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Definition
| Also called the auricle. The external ear, which functions to capture sound waves as they go past the outer ear. |
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Definition
| Visual loss due to old age, resulting in difficulty in focusing for near vision (such as reading) |
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Term
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Definition
| The innermost layer of the eye. It contains the visual receptors called rods and cones. The rods and cones receive the light impulses and transmit them to the brain via the optic nerve. |
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Definition
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Term
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Definition
| A portion of the labyrinth associated with balance and equilibrium. |
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Term
| sensorineural hearing loss |
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Definition
| Type of hearing loss in which the sound is conducted normally through the external and middle ear but there is a defect in the inner ear or with the cochlear nerve, resulting in the inability to hear. A hearing aid may help |
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Definition
| Chart used for testing distance vision. It contains letters of varying size and is administered from a distance of 20 feet. A person who can read at 20 feet what the average person can read at that distance is said to have 20/20 vision. |
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Definition
| One of the three ossicles of the middle ear. It is attached to the oval window leading to the inner ear. Also called the stirrup. |
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Definition
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Term
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Definition
| Also called the eardrum. As sound moves along the auditory canal, it strikes the tympanic membrane causing it to vibrate. This conducts the sound wave into the middle ear. |
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Definition
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Definition
| (VA) Measurement of the sharpness of a patient's vision. Usually, a Snellen's chart is used for this test and the patient identifies letters from a distance of 20 feet. |
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