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Medical Terminology > chapter 12 > Flashcards

chapter 12 Flashcards

0
Q

cornea

A

transparent anterior part of sclera

allows light rays to enter eye

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1
Q

sclera

A

outer protective layer

white of eye

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2
Q

choroid

A

middle layer of eye

interlaced with blood vessels

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3
Q

iris

A

pigmented muscular structure regulates amt light entering eye by controlling size of pupil

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4
Q

pupil

A

opening in center of iris

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5
Q

lens

A

lies directly behind pupil

focus, bend light

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6
Q

retina

A

innermost layer

contains visual receptors

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7
Q

aqueous humor

A

watery liquid found in anterior cavity

provides nourishment, maintains shape

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8
Q

vitreous humor

A

jellylike substance behind the lens in posterior cavity

maintains shape

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9
Q

meibomian glans

A

oil glands found in upper/lower edges of eyelids

helps lubricate eye

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10
Q

lacrimal glands & ducts

A

produce & drain tears

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11
Q

optic nerve

A

carries visual impulse from retina to brain

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12
Q

conjuctiva

A

mucous membrane lining eyelids and covering anterior portion of sclera

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13
Q

blephar/o

A

eyelid

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14
Q

conjunctiv/o

A

conjunctiva

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15
Q

cor/o
core/o
pupill/o

A

pupil

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16
Q

corne/o

kerat/o

A

cornea

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17
Q

dacry/o

lacrim/o

A

tear

tear duct

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18
Q

ir/o

irid/o

A

iris

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19
Q

ocul/o

ophthalm/o

A

eye

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20
Q

opt/o

A

vision

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21
Q

phac/o

phak/o

A

lens

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22
Q

retin/o

A

retina

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23
Q

scler/o

A

sclera

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24
Q

cry/o

A

cold

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25
Q

dipl/o

A

2, double

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26
Q

is/o

A

equal

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27
Q

phot/o

A

light

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28
Q

ton/o

A

tension, pressure

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29
Q

bi-

bin-

A

two

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30
Q

-opia

A

vision (condition)

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31
Q

-phobia

A

abnormal fear of

aversion to specific things

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32
Q

-plegia

A

paralysis

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33
Q

aphakia

A

condition without a lens

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34
Q

blepharitis

A

inflammation of the eyelid

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35
Q

blepharoptosis

A

drooping of eyelid

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36
Q

conjunctivitis

A

inflammation of the conjunctiva

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37
Q

dacryocystitis

A

inflammation of the tear sac

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38
Q

diplopia

A

double vision

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39
Q

endophthalmitis

A

inflammation within an eye

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40
Q

iridoplegia

A

paralysis of the iris

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41
Q

iritis

A

inflammation of the iris

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42
Q

keratitis

A

inflammation of the cornea

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43
Q

keratomalacia

A

softening of the cornea

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44
Q

leukocoria

A

condition of white pupil

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45
Q

oculomycosis

A

abnormal condition of the eye caused by a fungus

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46
Q

ophthalmalgia

A

pain in the eye

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47
Q

ophthalmoplegia

A

paralysis of the eye (muscle)

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48
Q

phacomalacia

A

softening of the lens

49
Q

photophobia

A

abnormal fear of (sensitivity to) light

50
Q

retinoblastoma

A

tumor arising from a developing retinal cell

51
Q

retinopathy

A

disease of the retina

52
Q

sclerokeratitis

A

inflammation of the sclera and cornea

53
Q

scleromalacia

A

softening of the sclera

54
Q

xerophthalmia

A

condition of dry eye

55
Q

amblyopia

A

reduced vision in one eye caused by disuse or misuse

lazy eye

56
Q

astigmatism (Ast)

A

defective curvature of the refractive surfaces (cornea, lens) of eye

57
Q

cataract

A

clouding of the lens of eye

58
Q

chalazion

A

obstruction of an oil gland of the eyelid

59
Q

detached retina

A

separation of the retina from the choroid in the back of the eye

60
Q

glaucoma

A

eye disorder characterized by optic nerve damage usually caused by the abnormal increase of intraocular pressure

61
Q

hyperopia

A

farsightedness

62
Q

macular degeneration

A

a progressive deterioration of the portion of the retina called the macula lutea

63
Q

myopia

A

nearsightedness

64
Q

nyctalopia

A

poor vision at night or in faint light

65
Q

nystagmus

A

involuntary, jerking movements of the eyes

66
Q

pinguecula

A

yellowish mass on the conjunctiva that may be related to exposure of uv light, dry climate, dust

67
Q

presbyopia

A

impaired vision as a result of aging

68
Q

pterygium

A

thin tissue growing into the cornea from the conjunctiva

69
Q

retinitis pigmentosa

A

hereditary, progressive disease marked by night blindness with atrophy and retinal pigment changes

70
Q

strabismus

A

abnormal condition of squint or crossed eyes caused by the visual axes not meeting at the same point

71
Q

sty

A

infection of an oil gland of the eyelid

72
Q

blepharoplasty

A

surgical repair of the eyelid

73
Q

cryoretinopexy

A

surgical fixation of the retina by using extreme cold

74
Q

dacryocystorhinostomy

A

creation of an artificial opening between the tear sac and the nose

75
Q

dacryocystotomy

A

incision of the tear sac

76
Q

iridectomy

A

excision of part of the iris

77
Q

iridotomy

A

incision of the iris

78
Q

keratoplasty

A

surgical repair of the cornea

79
Q

sclerotomy

A

incision of the sclera

80
Q

enucleation

A

surgical removal of the eyeball

81
Q

LASIK (laser-assisted in situ keratomileusis)

A

laser procedure that reshapes the corneal tissue beneath the surface of the cornea to correct astigmatism, hyperopia, myopia

82
Q

phacoemulsification (PHACO)

A

method to remove cataracts in which an ultrasounic needle probe breaks up the lens

83
Q

PRK (photorefractive keratectomy)

A

procedure for the treatment of nearsightedness where a excimer laser is used to reshape the corneal surface by removing a portion of the cornea

84
Q

retinal photocoagulation

A

intense beam of light from a laser condenses retinal tissue to seal leaking blood vessels to destroy abnormal tissue or lesions

85
Q

scleral buckling

A

procedure to repair a detached retina

86
Q

trabeculectomy

A

surgical creation of a drain to reduce intraocular pressure

87
Q

vitrectomy

A

surgical removal of all/part of the vitreous humor

88
Q

fluorescein angiography

A

digital process of recording blood vessels of the eye

89
Q

keratometer

A

instrument used to measure the cornea

90
Q

ophthalmoscope

A

instrument used for visual examination of the eye

91
Q

ophthalmoscopy

A

visual examination of the eye

92
Q

optometry

A

measurement of vision

93
Q

pupillometer

A

instrument used to measure the pupil

94
Q

pupilloscope

A

instrument used for visual examination of the pupil

95
Q

pupilloscopy

A

visual examination of the pupil

96
Q

tonometer

A

instrument used to measure pressure within the eye

97
Q

tonometry

A

measurement of pressure within the eye

98
Q

anisocoria

A

condition of absence of equal pupil size

99
Q

binocular

A

pertaining to two or both eyes

100
Q

corneal

A

pertaining to the cornea

101
Q

intraocular

A

pertaining to within the eye

102
Q

isocoria

A

condition of equal pupil size

103
Q

lacrimal

A

pertaining to tears

104
Q

nasolacrimal

A

pertaining to the nose and the tear ducts

105
Q

ophthalmic

A

pertaining to the eye

106
Q

ophthalmologist

A

physician who studies and treats diseases of the eye

107
Q

ophthalmology (Ophth)

A

study of the eye

108
Q

ophthalmopathy

A

disease of the eye

109
Q

optic

A

pertaining to vision

110
Q

pseudophakia

A

condition of false lens

111
Q

pupillary

A

pertaining to the pupil

112
Q

retinal

A

pertaining to the retina

113
Q

emmetropia

A

normal refractive condition of the eye

114
Q

intraocular lens (IOL)

A

artificial lens implanted within the eye during cataract surgery

115
Q

miotic

A

agent that constricts the pupil

116
Q

mydriatic

A

agent that dilates the pupil

117
Q

optician

A

specialist who fills prescription for lenses

118
Q

optometrist

A

health professional who prescribes corrective lenses

119
Q

visual acuity (VA)

A

sharpness of vision for either distance or near

Medical Terminology (14 decks)

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