Eye Health Assessment Review Flashcards
1
Q
support & protect eyeball
A
● External eye structure
2
Q
70% sensory receptor; 1’’ in diameter
A
EYE -
3
Q
(palpebrae)
➢ Eyelashes- filter dirt
A
. Eyelids
4
Q
- sebum, lubricate eyes
A
Meibomian
5
Q
- in the hair follicle
A
Gland of zeis
6
Q
a sweat gland
A
Moll’s glands
7
Q
guard eye from foreign matter
A
Conjunctiva -
8
Q
- upper
A
Palpebral -
9
Q
- lower
A
Bulbar (ocular)
10
Q
Flow of tears : L. Gland - L. Duc
A
Lacrimal apparatus
11
Q
antagonistic movement; holds eye in
place, control movement, create binocular vision
A
Extraocular muscles
12
Q
- inferior, superior, medial rectus/lateral
A
4 rectus muscles -
13
Q
- oculomotor (III) , Trochlear (IV), Abducens
(VI)
A
Cranial nerves
14
Q
involved with vision
A
Intraocular eye structure
15
Q
“white of the eye”
A
Sclera
16
Q
“windows of the eye”
A
Cornea
17
Q
maintain shape
A
Vitreous humor
18
Q
- relax / contracts; has smooth and radial muscles
A
Iris
19
Q
- central opening
A
Pupil
20
Q
cavity in front of the cornea & behind the
lens & iris
A
Anterior chamber
21
Q
- refracts/refocus light
A
Lens -
22
Q
control lens thickness
A
➢ Ciliary body
23
Q
- filled w/ aqueous humor
A
Posterior chamber -
24
Q
cover optic nerve
A
posterior sclera
25
beneath posterior sclera
Choroid -
26
- innermost coat; receives stimuli
➢ Retina -
27
allow optic nerve to enter the retina
Optic disk
28
photoreceptors
. Rods & cones
29
- slight depression
c. Dark macula: fovea centralis
30
- uses optic nerve/chiasm, retina to create visual
field
Visual pathway
31
crossed pathways
Optic chiasm
32
- image is formatted; retract light rays
Fovea centralis
33
Sudden change -
- acute
34
b. Gradual change
To aging, diabetes
35
- black spots ; ppl with myopia/over age 40
SPOTS/FLOATERS
36
narrow angle glaucoma
HALO/RING AROUND LIGHT
37
optic atrophy; vit. A deficiency
NYCTALOPIA (night blindness) -
38
- increased intracranial pressure
DIPLOPIA (double vision) -
39
- watering/tearing; obstruction of lacrimal apparatus
EPIPHORA
40
- nearsighted
MYOPIA
41
farsighted
HYPEROPIA -
42
gradual loss of near vision; at 45 y/o
PRESBYOPIA
43
- uneven curvature of cornea
ASTIGMATISM
44
- inflammation of conjunctiva
CONJUNCTIVITIS
45
- inflammation of lacrimal gland
DACRYOCYSTITIS
46
- stye; tenderness of hair follicles
HORDEOLUM -
47
- iris inflammation
IRITIS -
48
black eye
CONTUSION/HEMATOMA
49
clouding of lens; occur in infants when mother
contracted rubella
CATARACT
50
- in aqueous fluid; difficulty in adjusting to dark rooms
GLAUCOMA
51
- comes in aging; damage central
vision
MACULAR DEGENERATION
52
- gradual blind spotting
. Wet -
53
macular thinning
Dry
54
- eyelids below pupil margin
PTOSIS
55
- turn out
Ectropion
56
turn in
entropion
57
enlarged
MYDRIASIS
58
constricted
MIOSIS
