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Med Term > Module 14 Special Senses > Flashcards

Module 14 Special Senses Flashcards

1
Q

Otitis media

A

inflammation of the middle ear possibly caused by bacteria or virus; could be acute or chronic; treatment: antibiotics, analgesics, myringotomy (needle aspiration to drain built-up fluid), and surgery

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2
Q

cataract

A

opacity or clouding of the crystalline lens or its surrounding membrane of the eyeball; unilateral or bilateral; occur as part of the aging process; treatment: glasses, phacoemulsification (surgery

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3
Q

opthalmologists

A

MDs in the diagnosis and treatment of diseases of the eye

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4
Q

optician

A

licensed to make corrective lenses, adjust and repair spectacles, and fit contacts

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5
Q

otologist

A

medical specialists in diseases of the ear

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6
Q

otorhinolaryngologists

A

MDS in diseases of the ear, nose, and throat (ENT)

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7
Q

conjuctiva

A

inner lining of the eyelids

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8
Q

orbit

A

the bony socket that holds the eyeball

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9
Q

photophobia

A

fear of the light because it hurts the eyes

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10
Q

hordeolum

A

aka stye

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11
Q

chalazion

A

small, painless, localized, whitish swelling inside the lid when a tarsal gland becomes blocked

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12
Q

blepharitis

A

multiple eyelash follicles and tarsal glands become infected; usually staphylococcal

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13
Q

dacryostenosis

A

blockage of the drainage of tears, usually due to narrowing of the nasolacrimal ducts

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14
Q

dacryocystitis

A

infection of the lacrimal sac with swelling and pus at the medial corner of the eye

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15
Q

ptosis

A

upper eyelid is constantly drooped over the eye due to paresis of the muscle that raises the upper lid

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16
Q

stereopsis

A

three-dimensional perception

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17
Q

strabismus

A

a turning of an eye away from its normal position due to eye and brain not cooperating

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18
Q

esotropia

A

eye turned in toward the nose

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19
Q

exotropia

A

outward turning of one eye

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20
Q

ambylopia

A

“lazy eye”; failure or incomplete development of the pathways of vision to the brain

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21
Q

sclera

A

fibrous outer covering of the eyeball and the white of the eye

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22
Q

cornea

A

dome-shaped membrane on the front of the eye

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23
Q

sphincter pupillae muscle

A

opens and closes the pupil dictating how much light is let in

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24
Q

ciliary body

A

muscles that make the lens of the eye thicker and thinner

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25
iris
colored portion of the eye with the pupil in its center
26
lens
transparent refractive structure behind the iris
27
retina
light-sensitive lining at the back of the eye; has 130mil rods which perceive only light and 6.5mil cones which are activated by light and color and have precise visual acuity
28
aqueous humor
watery liquid in the anterior and posterior chamber of the eye
29
fovea centralis
small pit in the center of the macula that has the highest visual acuity
30
macula lutea
yellowish spot on the back of the retina; contains the fovea centralis
31
photoreceptor
a photoreceptor cell receives light and converts it into electrical impulses
32
uvea
middle coat of eyeball; includes iris, ciliary body, and choroid
33
visual acuity
sharpness and clearness of vision
34
emmetropia
normal refractive condition of the eye
35
hyperopia
ability to see distant objects but unable to see close objects; far-sighted
36
myopia
ability to see close objects but unable to see distant objects; near-sighted
37
presbyopia
difficulty in nearsighted vision occurring in middle and old age; loss of lens flexibility
38
astigmatism
unequal curvatures of the cornea causing unequal focusing and blurred images
39
tract
bundle of nerve fibers with a common origin and destination
40
glaucoma
increased intraocular pressure due to aqueous humor not returning from the eye into the bloodstream
41
ophthalmia neonatorum
conjunctivitis of the newborn
42
peripheral vision
ability to see objects as they come into the outer edges of the visual field
43
macular degeneration
degeneration of the central macula resulting in a dark blurry area of vision loss in the venter of the visual field
44
leukocoria
reflection in pupil of white mass in the eye
45
retinoblastoma
malignant neoplasm of primitive retinal cells
46
retinopathy
degenerative disease of the retina
47
Snellen letter chart
20ft away and vision is recorded as the smallest line in which the patient can read half of the letters
48
Ishihara color system
used to check color vision
49
Jaeger reading cards
printed in different sizes of print for testing near vision
50
refractometer
device that measure refractive errors of the cornea
51
cryopexy
repair of a detached retina by freezing it to surrounding tissue
52
fundus
part furthest from the opening of a hollow organ; ex. retina in eye
53
in situ
in the correct place
54
keratomileusis
surgical procedure that involves cutting and shaping the cornea
55
keratotomy
incision in the cornea
56
phacoemulsification
technique used to fragment the center of the lens into very tiny pieces and suck them out of the eye
57
photocoagulation
the use of light (laser beam) to form a clot
58
photoreactive
initiation by light of a process previously inactive
59
tonometer
instrument for determining intraocular pressure
60
trabeculectomy
surgical creation of passage in sclera to allow fluid to drain out of the eye
61
miosis
contraction of the pupil
62
mydriasis
dilation of the pupil
63
otitis media
inflammation of the middle ear
64
auricle
aka pinna; wing-shaped structure that directs sound waves
65
otitis externa
infection of the lining of the external auditory canal
66
otomycosis
fungal infection of the external ear canal
67
4 parts of middle ear
tympanic membrane, tympanic cavity, Eustachian tube, and the ossicles
68
tympanic membrane
aka eardrum
69
ossicles
3: malleus, incus, and stapes

Med Term (17 decks)

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