chapter 12 Flashcards
(120 cards)
0
Q
cornea
A
transparent anterior part of sclera
allows light rays to enter eye
1
Q
sclera
A
outer protective layer
white of eye
2
Q
choroid
A
middle layer of eye
interlaced with blood vessels
3
Q
iris
A
pigmented muscular structure regulates amt light entering eye by controlling size of pupil
4
Q
pupil
A
opening in center of iris
5
Q
lens
A
lies directly behind pupil
focus, bend light
6
Q
retina
A
innermost layer
contains visual receptors
7
Q
aqueous humor
A
watery liquid found in anterior cavity
provides nourishment, maintains shape
8
Q
vitreous humor
A
jellylike substance behind the lens in posterior cavity
maintains shape
9
Q
meibomian glans
A
oil glands found in upper/lower edges of eyelids
helps lubricate eye
10
Q
lacrimal glands & ducts
A
produce & drain tears
11
Q
optic nerve
A
carries visual impulse from retina to brain
12
Q
conjuctiva
A
mucous membrane lining eyelids and covering anterior portion of sclera
13
Q
blephar/o
A
eyelid
14
Q
conjunctiv/o
A
conjunctiva
15
Q
cor/o
core/o
pupill/o
A
pupil
16
Q
corne/o
kerat/o
A
cornea
17
Q
dacry/o
lacrim/o
A
tear
tear duct
18
Q
ir/o
irid/o
A
iris
19
Q
ocul/o
ophthalm/o
A
eye
20
Q
opt/o
A
vision
21
Q
phac/o
phak/o
A
lens
22
Q
retin/o
A
retina
23
Q
scler/o
A
sclera
24
cry/o
cold
25
dipl/o
2, double
26
is/o
equal
27
phot/o
light
28
ton/o
tension, pressure
29
bi-
| bin-
two
30
-opia
vision (condition)
31
-phobia
abnormal fear of
| aversion to specific things
32
-plegia
paralysis
33
aphakia
condition without a lens
34
blepharitis
inflammation of the eyelid
35
blepharoptosis
drooping of eyelid
36
conjunctivitis
inflammation of the conjunctiva
37
dacryocystitis
inflammation of the tear sac
38
diplopia
double vision
39
endophthalmitis
inflammation within an eye
40
iridoplegia
paralysis of the iris
41
iritis
inflammation of the iris
42
keratitis
inflammation of the cornea
43
keratomalacia
softening of the cornea
44
leukocoria
condition of white pupil
45
oculomycosis
abnormal condition of the eye caused by a fungus
46
ophthalmalgia
pain in the eye
47
ophthalmoplegia
paralysis of the eye (muscle)
48
phacomalacia
softening of the lens
49
photophobia
abnormal fear of (sensitivity to) light
50
retinoblastoma
tumor arising from a developing retinal cell
51
retinopathy
disease of the retina
52
sclerokeratitis
inflammation of the sclera and cornea
53
scleromalacia
softening of the sclera
54
xerophthalmia
condition of dry eye
55
amblyopia
reduced vision in one eye caused by disuse or misuse
| lazy eye
56
astigmatism (Ast)
defective curvature of the refractive surfaces (cornea, lens) of eye
57
cataract
clouding of the lens of eye
58
chalazion
obstruction of an oil gland of the eyelid
59
detached retina
separation of the retina from the choroid in the back of the eye
60
glaucoma
eye disorder characterized by optic nerve damage usually caused by the abnormal increase of intraocular pressure
61
hyperopia
farsightedness
62
macular degeneration
a progressive deterioration of the portion of the retina called the macula lutea
63
myopia
nearsightedness
64
nyctalopia
poor vision at night or in faint light
65
nystagmus
involuntary, jerking movements of the eyes
66
pinguecula
yellowish mass on the conjunctiva that may be related to exposure of uv light, dry climate, dust
67
presbyopia
impaired vision as a result of aging
68
pterygium
thin tissue growing into the cornea from the conjunctiva
69
retinitis pigmentosa
hereditary, progressive disease marked by night blindness with atrophy and retinal pigment changes
70
strabismus
abnormal condition of squint or crossed eyes caused by the visual axes not meeting at the same point
71
sty
infection of an oil gland of the eyelid
72
blepharoplasty
surgical repair of the eyelid
73
cryoretinopexy
surgical fixation of the retina by using extreme cold
74
dacryocystorhinostomy
creation of an artificial opening between the tear sac and the nose
75
dacryocystotomy
incision of the tear sac
76
iridectomy
excision of part of the iris
77
iridotomy
incision of the iris
78
keratoplasty
surgical repair of the cornea
79
sclerotomy
incision of the sclera
80
enucleation
surgical removal of the eyeball
81
LASIK (laser-assisted in situ keratomileusis)
laser procedure that reshapes the corneal tissue beneath the surface of the cornea to correct astigmatism, hyperopia, myopia
82
phacoemulsification (PHACO)
method to remove cataracts in which an ultrasounic needle probe breaks up the lens
83
PRK (photorefractive keratectomy)
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
retinal photocoagulation
intense beam of light from a laser condenses retinal tissue to seal leaking blood vessels to destroy abnormal tissue or lesions
85
scleral buckling
procedure to repair a detached retina
86
trabeculectomy
surgical creation of a drain to reduce intraocular pressure
87
vitrectomy
surgical removal of all/part of the vitreous humor
88
fluorescein angiography
digital process of recording blood vessels of the eye
89
keratometer
instrument used to measure the cornea
90
ophthalmoscope
instrument used for visual examination of the eye
91
ophthalmoscopy
visual examination of the eye
92
optometry
measurement of vision
93
pupillometer
instrument used to measure the pupil
94
pupilloscope
instrument used for visual examination of the pupil
95
pupilloscopy
visual examination of the pupil
96
tonometer
instrument used to measure pressure within the eye
97
tonometry
measurement of pressure within the eye
98
anisocoria
condition of absence of equal pupil size
99
binocular
pertaining to two or both eyes
100
corneal
pertaining to the cornea
101
intraocular
pertaining to within the eye
102
isocoria
condition of equal pupil size
103
lacrimal
pertaining to tears
104
nasolacrimal
pertaining to the nose and the tear ducts
105
ophthalmic
pertaining to the eye
106
ophthalmologist
physician who studies and treats diseases of the eye
107
ophthalmology (Ophth)
study of the eye
108
ophthalmopathy
disease of the eye
109
optic
pertaining to vision
110
pseudophakia
condition of false lens
111
pupillary
pertaining to the pupil
112
retinal
pertaining to the retina
113
emmetropia
normal refractive condition of the eye
114
intraocular lens (IOL)
artificial lens implanted within the eye during cataract surgery
115
miotic
agent that constricts the pupil
116
mydriatic
agent that dilates the pupil
117
optician
specialist who fills prescription for lenses
118
optometrist
health professional who prescribes corrective lenses
119
visual acuity (VA)
sharpness of vision for either distance or near
