ambly/o
dull, dim
applying dye eye drops that are a bright green fluorescent color. Used to look for corneal abrasions or ulcers
fluorescein staining
460
person trained in grinding and fitting corrective lenses
optician
455
Tears are produced by the
lacrimal apparatus
451
What connects the nasopharynx and the middle ear?
auditory tube
468
specialist
-ician
ringing in the ears
tinnitus
472
Hearing
acous/o, audi/o, audiot/o
What is this device, and how does it work?
Cochlear implant; converts sound signals into magnetic impulses to stimulate the auditory nerve.
condition of having abnormally large ears
macrotia
471
Which three bones are called the ossicles?
the malleus, incus, and stapes
468
What are the three layers of the eyeball?
the sclera, the choroid, and the retina.
448
specialist in measuring
-metrist
what is microtia
condition of having abnormally small ears
eyelid
blephar/o
Use of high frequency sound waves to emulsify (liquefy) a lens with a cataract, which is then aspirated with a needle
phacoemulsification
462
benign tumor of the eighth cranial nerve sheath causing symptoms of tinnitus, headache, dizziness, and progressive hearing loss
acoustic neuroma
473
The opening in the center of the iris is the
pupil
449
Which two senses is the ear responsible for?
hearing and equilibrium
467
hearing
-cusis
what is otorrhagia
bleeding from the ear
471
ear
aur/o, auricul/o, ot/o
Placing a band of silicone around the outside of the sclera that stabilizes a detaching retina
scleral buckling
463
inflammation of the tympanic membrane
myringitis
472
What are the two main categories of hearing loss?
conductive hearing loss and sensorineural hearing loss
469
Which of the structures in the eye focuses incoming light rays onto the retina?
lens
449
ear condition
-otia
what is ophthalmalgia
eye pain
455
tear, tear duct
dacry/o
Surgical puncture of the eardrum with removal of fluid and pus from the middle ear to eliminate a persistent ear infection and excessive pressure on the tympanic membrane. A pressure equalizing tube is placed in the tympanic membrane to allow for drainage of the middle ear cavity
myringotomy
476
condition of seeing double
diplopia
455
Which layer of the eye is responsible for supplying blood to the eye
choroid
449
The opening to the outer ear is the
external auditory meatus
468
vision condition
-opia, -opsia
what is otitis externa
External ear infection. May be caused by bacteria or fungus, commonly referred to as swimmers ear.
472
myring/o
tympanic membrane, eardrum
surgical repair of the tympanic membrane
tympanoplasty
476
state of normal vision
emmetropia
455
What are the three parts of the external ear?
467
the anterior portion of the sclera is the
cornea
448
turned condition
-tropia
What is strabismus
Eye muscle weakness resulting in the eyes looking in different directions at the same time.

cornea
kerat/o, corne/o
measurement of the intraocular pressure of the eye using a tonometer to check for the condition of glaucoma
tonometry
461
loss of mobility of the stapes bone, leading to progressive hearing loss
otosclerosis
472
Which structure is responsible for refracting light rays?
cornea
448
Which cranial nerve carries hearing and equilibrium sensory information to the brain
vestibulocochlear
467
instrument to visually examine
-scope
470
Condition of color blindness - unable to perceive one or more colors
achromatopsia
456