Chapter 14: Special Sense Organs Flashcards
(63 cards)
1
Q
function of cornea
A
refraction of light
2
Q
choroid
A
blood supply
3
Q
ciliary body
A
secretion of vitreous fluid, helps change the shape of lens
4
Q
external ocular muscles
A
movement of the eyeball
5
Q
eyelid
A
protection
6
Q
iris
A
contracts/relaxes to control amount of light entering through pupil
7
Q
lacrimal glands
A
secretion of tears
8
Q
lens
A
light refraction
9
Q
optic nerve
A
transmission of visual signals to brain
10
Q
retina
A
transforms optic signals into nerve impulses
11
Q
rods
A
distinguish light from dark, perceive shape and movement
12
Q
cones
A
color vision
13
Q
sclera
A
external protection
14
Q
choroid/o
A
choroid
15
Q
chrom/o
A
color
16
Q
conjunctiv/o
A
conjunctiva
17
Q
corne/o, kerat/o
A
cornea
18
Q
dacry/o, lacrim/o
A
tear
19
Q
ir/o, irid/o
A
iris
20
Q
ocul/o, ophthalm/o
A
eye
21
Q
opt/o, optic/o
A
vision
22
Q
presby/o
A
old/old age
23
Q
pupill/o
A
pupil
24
Q
retin/o
A
retina
25
ton/o
tone or tension
26
chart used to test clearness and sharpness of vision
snellen chart
27
ophthalmometer
instrument used to measure the eye, specifically the cornea
28
myopia
nearsightedness
29
hyperopia
farsightedness
30
astigmatism
uneven focusing of an image
31
Tonometry
measurement of the intraocular pressure using a tonometer
32
visual field
physical space visible to an individual in a fixed position
33
mydriatic
agent that dilates the pupil
34
presbyopia
impairment of vision due to old age
35
accommodation reflex
ability of the eye to adjust to different distances
36
fluorescein angiography
procedure using fluorescent dye to examine movement of blood through blood vessels in the eye
37
amblyopia
lazy eye. AKA strabismus
38
blepharitis
inflammation of eyelid
39
cataract
clouding
40
achromatic vision, achromatopsia, daltonism
color vision deficiencies
41
conjunctivitis
pink eye
42
glaucoma
high intraocular pressure
43
hordeolum
stye
44
macular degeneration
deterioration of retina
45
nyctalopia
poor night vision
46
photophobia
sensitivity to light
47
ptosis
drooping of upper eyelid
48
retinal detachement
separation of retina from choroid
49
retinopathy
any disease of the retina
50
acoust/o, audi/o
hearing
51
adenoid/o
adenoids
52
aur/o, auricul/o, ot/o
ear
53
cerumin/o
earwax
54
cochle/o
cochlea
55
myring/o, tympan/o
eardrum
56
salping/o
eustachian tube
57
-ory
pertaining to
58
chem/o
chemical
59
mechan/o
mechanical
60
noc/i
cause harm, injury or pain
61
phot/o
light
62
therm/o
heat
63
-osmia
sense of smell
