| Question |
Answer |
| Defect in the curvature of the eyeball surface: |
astigmatism |
| Clear, watery fluid, continually secreted drained and replaced to maintain normal intraocular pressure: |
aqueous humor |
| An instrument usedto measure hearing acuity quantitatively for the various frequencies of sound waves: |
audiometer |
| A test for hearing acuity: |
audiometry |
| The junction of the eyelids at either corner of the eye: |
canthus |
| A noninfectious opacity or clouding of the lens of the eye: |
cataract |
| Ear wax: |
cerumen |
| Part of internal ear, contains the organ of corti, the organ of hearing: |
cochlea |
| Sound is inadequately conducted through the external or middle ear to the inner ear. Common cause is buildup of cerumen: |
conductive hearing loss |
| The eyelid: |
conjunctiva |
| An inflammation of the conjunctiva caused by bacterial or viral infection, allergy, or enviornment factors: |
conjuntivitis |
| Prerequisite for dirver's license. Ability to identify colors of major groups: red, blue and green |
color perception |
| A disorder of retinal blood vessels, frequentlyin patients with poorly controlled diabetes mellitus: |
diabetic retinopathy |
| The surgical removal of the eyeball: |
enucleation |
| Auditory canall of middle ear: |
eustachian tube |
| An abnormal condition of elevated pressure within an eye because of obstruction of the outflow of aqueous humor: |
glaucoma |
| Farsightedness: |
hyperopia |
| The dropping of a liquid into a body cavity: |
instillation |
| Round, intact, bilateral coloration of the eye: |
iris |
| The washing of a body canal with a flowing solution: |
irrigation |
| A membranous portion of the internal ear that is a series of canals: |
labyrinth |
| A transparent, colorless structure that is biconvex in shape; the function is to focus light rays so that they form a perfect image on the retina: |
lens |
| An infection of one of the mastoid bones: |
mastoiditis |
| A chronic disease of the inner ear characterized by recurrent episodes of of vertigo or tinnitus: |
Meniere's disease |
| Agents that cause the pupil to contract and lower intraocular pressure: |
miotics |
| Nearsightedness: |
myopia |
| A surgical incision of the eardrum: |
myringotomy |
| Three small bones in the middle ear that carry sound waves from the external ear to the inner ear |
ossicles |
| An inflammation or infection of the middle ear: |
otitis media |
| A condition of chronic progressive deafness caused by the formation of spongy bone in the middle ear: |
otosclerosis |
| Visualization of the external auditory canal and the eardrum performed with otoscope: |
otoscopy |
| A decrease in the elasticity of the lens that occurs with aging, resulting in a decreased ability to focus on close objects: |
presbyopia |
| In the center of the iris, circular opening, reactive to light: |
pupil |
| The deflection or bending of light rays by a lens: |
refraction |
| A ten-layer, delicate, nervous-tissue membrane of the eye that receives images and transmits impulses to the brain: |
retina |
| White of the eye: |
sclera |
| A defect in the inner ear that results in distortion, making discrimination difficult; usually caused by trauma, infection or exposure to ototoxic drugs: |
sensorineural hearing loss |
| Assessment of visual acuity; used as screening test: |
snellen's test |
| Inability of the eyes to focus in the same direction; commonly called cross-eyed: |
strabismus |
| A subjective noise sensation heard in one or both ears; usually ringing or tinkling sounds: |
tinnitus |
| A thin, semitransparent membrane between the external ear canal and the middle ear that receives and transmits sound waves: |
tympanic membrane |
| The sensation that the outer world is revolving about oneself or that one is moving in space: |
vertigo |
| Deep in the ear; measures balance and equilibrium: |
vestibule |
| Consists of distant, near and peripheral vision: |
visual acuity |
| Transparent, jelly like substance that gives shape to the eyeball; not continually replaced: |
vitreous humor |
Ch.18 LTI-MA 509
