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Med Terms > Ch. 17 > Flashcards

Ch. 17 Flashcards

0
Q

Anterior chamber

A

Area behind the cornea and in front of the lens and iris

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1
Q

Accommodation

A

Normal adjustment of the eye to focus on objects from far to near

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2
Q

Aqueous humor

A

Fluid produced by the ciliary body and found in anterior chamber

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3
Q

Biconvex

A

Consisting of two surfaces that are rounded, elevated, and curved evenly lens of the eye

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4
Q

Choroid

A

Middle, vascular layer of the eye between the retina and the sclera

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5
Q

Ciliary body

A

Structure surrounding the lens that connects he choroid and iris; controls shape of lens and secretes aqueous humor

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6
Q

Cone

A

Photoreceptors cell in the retina that transforms light energy into a nerve impulse,responsible for color and central vision

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7
Q

Conjunctiva

A

Delicate membrane that lines the undersurface of eyelids and covers anterior eyeball

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8
Q

Cornea

A

Fibrous transparent layer of clear tissue that extends over the anterior portion of eyeball

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9
Q

Fovea centralis

A

Tiny depression in the retina that is the region of clearest vision

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10
Q

Fungus of eye

A

Posterior, inner part of the eye

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11
Q

Iris

A

Pigmented layer that opens and closes to allow more or less light into the eye

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12
Q

Lens

A

Transparent biconvex body behind the pupil of the eye

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13
Q

Macula

A

Yellowish region on the retina lateral to and slightly below the optic disc

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14
Q

Optic chiasm

A

Point at which optic nerve fibers cross in the brain

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15
Q

Optic disc

A

Region at the back of the eye where the optic nerve meets the retina, blind spot

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16
Q

Optic nerve

A

Cranial nerve carrying impulses from the retina to the brain

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17
Q

Pupil

A

Central opening of the eye, surrounded by the iris, through which light rays pass

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18
Q

Refraction

A

Bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the retina

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19
Q

Retina

A

Light sensitive nerve cell layer of the eye containing photoreceptor cells

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20
Q

Rod

A

Photoreceptor cell of retina essential for vision in dim light and for peripheral vision

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21
Q

Sclera

A

Tough white outer coat of the eyeball

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22
Q

Thalamus

A

Relay center of the brain

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23
Q

Vitreous humor

A

Soft, jelly like material behind the lens in the vitreous chamber

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24
Water
Aque/o
25
Conjunctiva (CF)
Conjunctiv/o
26
Pupil cf
Cor/o | Pupill/o
27
Ciliary body cf
Cycl/o
28
Tears, tear duct
Dacry/o
29
Iris cf
Ir/o | Irid/o
30
Cornea cf
Kerat/o | Corne/o
31
Tears
Lacrim/o
32
Eye
Ophthalm/o | Ocul/o
33
Eye, vision
Opt/o | Optic/o
34
Eyelid
Palpebr/o | Blephar/o
35
Optic disc(CF)
Papill/o
36
Lens of the eye
Phac/o | Phak/o
37
Retina cf
Retin/o
38
Sclera cf
Scler/o
39
Uvea
Uve/o
40
Glassy
Vitre/o
41
Dull, dim
Ambly/o
42
Double
Dipl/o
43
Gray
Glauc/o
44
Smaller, less
Mi/o
45
Widen, enlarge
Mydr/o
46
Night
Nyct/o
47
Light
Phot/o
48
Old age
Presby/o
49
Darkness
Scot/o
50
Dry
Xer/o
51
Vision (s)
- opia | - opsia
52
To turn (s)
-tropia
53
Astigmatism
Defective curvature of the cornea or lens of eye
54
Hyperopia
Farsightedness
55
Myopia
Nearsightedness
56
Presbyopia
Impairment of vision due to old age reducing lens accommodation
57
Cataract
Clouding of the lens
57
Chalazion
Small,hard, cystic mass on the eyelid; formed as a result of chronic inflammation of sebaceous gland along margin of eyelid
57
Diabetic retinopathy
Retinal effects caused by diabetes mellitus Microaneurysms Hemorrhages Dilation of retinal veins Neovascularization
57
Glaucoma
Increased intraocular pressure damages the retina and optic nerve
57
Hordeolum (stye)
Staph infection of a sebaceous gland in eyelid
58
Macular degeneration
Progressive damage to the macular of the retina
59
Nystagmus
Repetitive rhythmic movements of one or both eyes
60
Strabismus
Abnormal deviation of the eye
61
Enucleation
Removal of the entire eyeball
62
Laser photo coagulation
An argon laser creates an inflammatory reaction that seals retinal tears and leaky blood vessels
63
LASIK
Laser to correct errors of refraction by sculpting the cornea
64
Retinal detachment
Two layers of the retina separate from each other Photopsia Floaters Scleral buckle Pneumatic retinopexy
65
Photopsia
Bright flashes of light
66
Floaters
Vitreous clumps of retina
67
Pneumatic retinopexy
A gas bubble is injected in vitreous cavity to help reattach the retina
68
Visual acuity test
Assesses clarity of vision
69
Keratoplasty
Surgical repair of the cornea
70
Fluorescein angiography
Dye injection to examine blood flow in the retina
71
Ophthalmoscopy
Visual exam of the interior of the eye through dilated pupil
72
Slit lamp microscopy
Magnified view of expanded number of eye structures
73
Visual field test
Measures visual field when eyes are fixed forward
74
Scleral buckle
Suture of a silicone band to the sclera over the detached portion of the retina
75
Phacoemulsification
Ultrasound to break up lens for aspiration for cataract removal
76
Vitrectomy
Removal of vitreous and replacement with a clear solution
77
AMD
Age related macular degeneration
78
HEENT
Head, eyes, ears, nose and throat
79
IOL
Intraocular lens
80
IOP
Intraocular pressure
81
LASIK(abbrev)
Laser in situ keratomileusis
82
OD
Right eye, doctor or optometry
83
OS
Left eye
84
OU
Both eyes
85
PERRLA
Pupils equal, round, reactive to light and accommodation
86
POAG
Primary, open angle glaucoma
87
PRK
Photorefractive keratectomy
88
VA
Visual acuity
89
VF
Visual field
90
Pinna or auricle
Projecting flap of ear
91
Auditory canal
Channel that leads from the Pinna to the eardrum
92
Auditors meatus
Auditory canal
93
Auditory nerve fibers
Carry impulses from the inner ear to the brain
94
Organ of corti
Sensitive auditory receptor area found in the cochlea of the inner ear
95
Ossicle
Small bone of the ear
96
Oval window
Membrane between the middle ear and the inner ear
97
Auditory tube
Channel between the middle ear and nasopharynx, Eustachian tube
98
Auricle
Flap of the ear
99
Cerumen
Waxy substance secreted by the external ear
100
Cochlea
Snail shaped spirally wound tube in inner ear
101
Endolymph
Fluid within the labyrinth of the inner ear
102
Incus
Second ossicle of middle ear
103
Labyrinth
Maze like series of canals of inner ear
104
Malleus
First ossicle of middle ear
105
Perilymph
Fluid contained in the labyrinth of inner ear
106
Semicircular canals
Passages in the inner ear associated with maintaining equilibrium
107
Stapes
Third ossicle of middle ear
108
Tympanic membrane
Membrane between outer and middle ear, eardrum
109
Vestibule
Central cavity of the labyrinth, connecting the semicircular canal and the cochlea
110
Hearing
Acous/o Audi/o Audit/o
111
Ear
Aur/o | Auricle/o
112
Cochlea cf
Cochle/o
113
Mastoid process
Mastoid/o
114
Eardrum, tympanic membrane
Myring/o | Tyman/o
115
Ossicle cf
Ossicul/o
116
Ear
Ot/o
117
Eustachian tube
Salping/o
118
Stapes cf
Staped/o
119
Vestibule
Vestibul
120
Hearing s
- acusis | - cusis
121
Instrument for measure s
-meter
122
Ear condition s
-otia
123
Acoustic neuroma
Benign tumor arising from 8th cranial nerve, causes tinnitus, vertigo, dizziness, and decreased hearing
124
Cholesteatoma
Skin cells and cholesterol in a sac in the middle ear
125
Deafness
Loss of ability to hear
126
Meniere disease
Disorder of the labyrinth with elevated endolymph pressure in the cochlea and semicircular canals causing tinnitus, sensitivity to sound, progressive hearing loss, headache, nausea and vomiting
127
Otitis media
Inflammation of the middle ear
128
Otosclerosis
Hardening of bony tissue in the labyrinth
129
Tinnitus
Sensation of noises in ears
130
Vertigo
Sensation of irregular motion from a disease of inner ear or nerve carrying messages from the semicircular canals
131
Audiometry
An electric device used to determine hearing loss by frequency
132
Cochlear implant
Surgically implanted device that allows sensorineural hearing impaired persons to understand speech
133
Ear thermometry
Body temp measured with infrared radiation from the eardrum
134
Otoscopy
Visual exam of the ear with a small, hand- held scope
135
Tuning fork test
Hearing tests using a vibrating fork
136
Rinne
Fork is place against the mastoid bone and in front of auditory meatus
137
Weber
Fork is placed on center of forehead, normal hearing has equal loudness in both ears
138
AD
Right ear
139
AOM
Acute otitis media
140
AS
Left ear
141
EENT
Eyes, ears, nose, and throat
142
ENG
Electronystagmography
143
ENT
Ears nose and throat
144
ETD
Eustachian tube dysfunction
145
PE tube
Pressure equalizing tube
146
SOM
Serous otitis media
147
Paralysis palsy s
-plegic

Med Terms (18 decks)

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