Term
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Definition
| Adjustment of the eye for various distances so that images fall on the retina of the eye |
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Term
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Definition
| Clearness or sharpness of a sensory function |
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Term
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Definition
| Tissues or structures in the body adjacent to or near a related structure |
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Term
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Definition
| Being loosely joined or connected together to allow motion between the parts |
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Term
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Definition
| Any fluid or semifluid of the body |
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Term
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Definition
| Series of intricate communicating passages |
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Term
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Definition
| Substance that does not allow the passage of light; not transparent |
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Term
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Definition
| Fluid that very closely resembles spinal fluid but found in the cochlea |
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Term
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Definition
| 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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Term
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Definition
| Ability to bend light rays as they pass from one medium to another |
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Term
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Definition
| Layer or coat of tissue; also called membrane layer |
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Term
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Definition
dull, dim
ambyl/opia: dimness of vision |
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Term
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Definition
water
aque/ous: pertaining to water |
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Term
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Definition
eyelid
blephar/o/ptosis: prolapse or downward displacement of the eyelid |
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Term
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Definition
choroid
choroid/o/pathy: disease of the choroid |
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Term
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Definition
conjunctiva
conjunctiv/al: pertaining to the conjunctiva |
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Term
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Definition
pupil
core/o/meter: instrument for measuring the pupil |
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Term
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Definition
pupil
pupill/o/graphy: process of recording (movement of) the pupil |
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Term
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Definition
cornea
corne/al: pertaining to the cornea |
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Term
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Definition
ciliary body of eye; circular; cycle
cycl/o/plegia: paralysis of the ciliary body |
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Term
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Definition
tear; lacrimal apparatus (duct, sac, or gland)
dacry/oma: tumorlike swelling of the lacrimal duct |
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Term
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Definition
tear; lacrimal apparatus (duct, sac, or gland)
lacrim/o/tomy: incision of the lacrimal duct or sac |
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Term
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Definition
lacrimal sac
dacryocyst/o/ptosis: prolapse of the lacrimal sac |
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Term
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Definition
gray
glauc/oma: gray tumor |
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Term
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Definition
angle
goni/o/scopy: visual examination of the irideocorneal angle |
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Term
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Definition
iris
irid/o/plegia: paralysis of (the sphincter of) the iris |
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Term
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Definition
horny tissue; hard; cornea
kerat/o/tomy: incision of the cornea |
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Term
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Definition
eye
ocul/o/myc/osis: fungal infection of the eye (or its parts) |
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Term
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Definition
eye
ophthalm/o/logist: specialist in the study of the eye |
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Term
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Definition
eye, vision
pot/o/metry: act of measuring vision |
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Term
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Definition
eye, vision
optic/al: pertaining to the eye or vision |
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Term
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Definition
lens
phac/o/cele: herniation (displacement) of the lens into the interior chamber of the eye |
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Term
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Definition
light
phot/o/phobia: abnormal fear of (or intolerance to) light |
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Term
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Definition
old age
presby/opia: (poor) vision (associated with) old age |
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Term
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Definition
retina
retin/o/sis: abnormal condition of the retina |
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Term
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Definition
hardening; sclera (white of eye)
scler/o/malacia: softening of the sclera |
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Term
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Definition
darkness
scot/o/ma: dark, tumorlike spot |
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Term
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Definition
vitreous body (of eye)
vitr/ectomy: removal of the (contents of the) vitreous chamber |
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Term
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Definition
hearing
audi/o/meter: instrument to measure hearing |
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Term
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Definition
labyrinth (inner ear)
labyrinth/o/tomy: incision of the labyrinth |
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Term
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Definition
mastoid process
mastoid/ectomy: removal of the mastoid process |
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Term
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Definition
ear
ot/o/py/o/rrhea: discharge of pus from the ear |
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Term
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Definition
tubes (usually fallopian or eustachian [auditory] tubes)
salping/o/scope: instrument to examine the eustachian tubes |
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Term
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Definition
stapes
staped/ectomy: excision of the stapes |
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Term
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Definition
tympanic membrane (eardrum)
myring/o/myc/osis: abnormal condition due to fungal infection of the tympanic membrane |
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Term
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Definition
tympanic membrane (eardrum)
tympan/o/stomy: forming an opening in the tympanic membrane |
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Term
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Definition
hearing
an/acusia: not hearing (deafness) |
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Term
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Definition
hearing
presby/cusis: hearing (loss) associated with old age |
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Term
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Definition
vision
dipl/opia: double vision |
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Term
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Definition
vision
heter/opsia: inequality of vision (in the two eyes) |
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Term
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Definition
turning
eso/tropia: turning inward (of the eyes); also called convergent strabismus or crossed eyes |
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Term
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Definition
outside, outward
exo/tropia: abnormal turning outward of (one or both eyes); also called divergent strabismus |
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Term
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Definition
excessive; above normal
hyper/opia: excess (farsighted) vision |
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Term
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Definition
| Severe congenital defifiency in color perception; also called complete color blindness |
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Term
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Definition
| Small, hard tumor developing on the eyelid, somewhat similar to a sebaceous cyst |
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Term
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Definition
| Inflammation of the conjunctiva with vascular congestion, producing a red or pink eye; may be secondary to viral, bacterial, or fungal infections or allergy |
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Term
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Definition
| Medial movement of the two eyeballs so that they are both directed at the object being viewed |
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Term
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Definition
| Measurement of refractive error |
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Term
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Definition
| Eversion, or outward turning, of the edge of the lower eyelid |
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Term
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Definition
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Term
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Definition
| Inversion or inward turning of the edge of the lower eyelid |
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Term
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Definition
| Abnormal overflow of tears |
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Term
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Definition
| Protrusion of one or both eyeballs |
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Term
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Definition
| Localized, circumscribed, inflammatory swelling or one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called a stye |
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Term
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Definition
| Visual distortion of objects |
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Term
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Definition
| Impaired vision in dim light; also called night blindness |
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Term
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Definition
| Involuntary eye movements that appear jerky and may reduce vision or be associated with other, more serious conditions that limit vision |
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Term
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Definition
| Edema and hyperemia of the optic disc usually associated with increased intracranial pressure; also called choked disc |
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Term
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Definition
| Unusual intolerance and sensitivity to light |
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Term
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Definition
| Loss of accomodation of the crystalline lens associated with the aging process |
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Term
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Definition
| Any disorder of retinal blood vessels |
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Term
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Definition
| Chronic, contagious form of conjunctivitis common in the southwestern United States that typically leads to blindness |
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Term
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Definition
| Area within which objects may be seen when the eye is in a fixed position |
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Term
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Definition
| Complete deafness; also called anacusia |
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Term
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Definition
| Blocking of sound waves as they pass through the external and middle ear (conduction pathyway) |
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Term
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Definition
| Inflammation of the inner ear that usually results from an acute febrile process |
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Term
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Definition
| Disorder of the labyrinth that leads to progressive loss of hearing |
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Term
| noise-induced hearing loss |
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Definition
| Condition caused by the destruction of hair cells, the organs responsible for hearing, caused by sounds that are "too long, too loud, or too close" |
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Term
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Definition
| Infection of the external auditory canal |
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Term
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Definition
| Impairment of hearing resulting from old age; also called presbyacusia |
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Term
| pressure-equalizing (PE) tubes |
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Definition
| Tubes that are inserted through the tympanic membrane, commonly to treat chronic otitis media; also called tympanostomy tubes or ventilation tubes |
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Term
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Definition
| Perception of ringing, hissing, or other sounds in the ears or head when no external sound is present |
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Term
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Definition
| Hallucation of movement, or a feeling of spinning or dizziness |
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Term
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Definition
| Measurement of hearing acuity at various sound wave frequencies |
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Term
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Definition
| 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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Term
| electonystagmography (ENG) |
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Definition
| Method of assessing and recording eye movements by measuring the electrical activity of the extraocular muscles |
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Term
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Definition
| Measurement of the blood pressure of the retinal vessels |
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Term
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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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Term
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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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Term
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Definition
| Examination of the angle of the anterior chamber of the eye to determine ocular motility and rotation and diagnose and manage glaucoma |
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Term
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Definition
| Visual examination of the interior of the eye using a hand-held instrument called an ophthalmoscope, which has various adjustable lenses for magnification and a light source to illuminate the interior of the eye |
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Term
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Definition
| Visual examination of the external auditory canal and the tympanic membrane using an otoscope |
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Term
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Definition
| Procedure that assesses the ability of the tympanic membrane to move in response to a change in air pressure |
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Term
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Definition
| Evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of reflected light rays |
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Term
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Definition
| Radiographic imaging procedures of the nasolacrimal (tear) glands and ducts |
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Term
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Definition
| Assesses blood vessels and their leakage in and beneath the reinta after injectionof fluorescein dye. The dye circulates while photographs of the vessels within the eye are obtained. |
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Term
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Definition
| Exercises intended to improve eye movements or visual tracking that use training glasses, prism glasses, or tinted or colored lenses |
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Term
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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 the sun |
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Term
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Definition
| Artificial hearing device that produces useful hearing sensations by electrically stimulating nerves inside the inner ear; also called bionic ear |
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Term
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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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Term
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Definition
| Removal of the eyeball from the orbit |
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Term
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Definition
| Removal of the contents of the eye while leaving the sclera and cornea intact |
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Term
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Definition
| Surgical opening of a cavity within the mastoid process |
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Term
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Definition
| Corrective surgery for a deformed or excessively large or small pinna |
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Term
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Definition
| Method of treating cataracts by using ultrasonic waves to disintigrate a cloudly lens, which is then aspirated and removed |
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Term
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Definition
| Incision of the cornea for treatment of nearsightedness or astigmatism |
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Term
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Definition
| Surgical formation of an opening in the sclera |
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Term
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Definition
| Method used to evaluate sound conduction using a vibrating tuning fork |
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Term
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Definition
| Tuning fork test that evaluates bone conduction (BC) versus air conduction (AC) of sound |
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Term
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Definition
| Tuning fork test that evaluates bone conduction of sound in both ears at the same time |
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Term
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Definition
| Reconstruction of the eardrum, commonly due to perforation; also called myringoplasty |
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Term
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Definition
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Term
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Definition
| age-related macular degeneration |
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Term
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Definition
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Term
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Definition
| conductive keratoplasty; creatine kinase (cardiac enzyme) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| laser-assisted in situ keratomileusis |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| pupils equal, round, and reactive to light and accomodation |
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Term
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Definition
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Term
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Definition
| small incision cataract surgery |
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Term
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Definition
| slit lamp examination; systemic lupus erythematosus |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| noise-induced hearing loss |
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Term
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Definition
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Term
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Definition
| physical examination; pulmonary embolism; pressure-equalizing (tube) |
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Term
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Definition
| upper respiratory infection |
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