Eyes and Vision (Chapter 15) Flashcards

1
Q

inner eye can be easy route for

A

infection/bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

where is the lacrimal gland

A

upper eye by tail of eye brow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

three cranial nerves for extra ocular movement

A

VI abducens
IV trochlear
III oculomotor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

extra ocular muscle funtion

A

siz cardnial gazes
coronal light reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what do the six cardinal gazes measure

A

parallel tracking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what do the six cardinal gazes observe for

A

nystagmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is a nystagmus

A

lack of muscle control which results in difficultly tracking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

corneal light reflex esotropia

A

inward turning of the eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

corneal light relflex exotropia

A

outward turning of the eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

if you have vision difficulty what cranial nerve is that

A

II optic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are we assessing for when asking for past history of ocular problems

A

recent exam
glasses/contacts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

cataracts

A

opaqueness of lenses, can lead to blindness
overall blurryness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

glaucoma

A

increase in intrauouclar pressure
lose peripheral vision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

presobyopia

A

mid 40s, refractive error that makes it hard for middle aged and older adults to see things up close
FIRMNESS OF THE LENSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

hyperopia

A

people can’t see up close, occurs at any age
EYES INABILITY TO PROCESS LIGHT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

macular degeneration

A

blindness, legally blind, loses central vision, still has peripheral vision, difficultly distinguishing faces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what causes macular degeneration

A

diabetes, hypertension, smoking, medication, long use of pesticides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

periorbial edema

A

congestive heart failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

hordeolum

A

stye
inflammation of gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

blepharitis

A

infection of hair follicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

ptosis

A

drooping of eyeling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

ptosis is caused by

A

cranial nerve
bells palsey
stroke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

exophtalmos

A

protrude
thyroid condition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

conjuctiva color

A

clear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

pink eye

A

inflammation of conjunctiva
very contagious
viral/bacterial

26
Q

sclera color

A

white, regardless of genetic background

27
Q

where would liver cirrhosis be vissible

A

sclera

28
Q

dacryocytisis

A

inflammation around lacrimal sac/infection

29
Q

RED FLAG

A

unequal pupils
can mean neurologic event/condition

30
Q

anisocria

A

5%, one pupil smaller than other, born this way, react together

31
Q

fixed and dilated

A

large pupils, apply stimuli and no change,
coma, major trauma, induced coma

32
Q

constricted and fixed

A

small pupils, apply stimuli and no change

33
Q

pupillary light reflex

A

direct and consensual

34
Q

direct

A

look at eye with light

35
Q

consensual

A

look at other eye with the light not in it
comparing the 2 eyes
what happens on one eye should happen in the other

36
Q

4 steps of pupillary light relfex

A

light in R eye
- direct
- consensual
light in L eye
- direct
- consensual

37
Q

where do we start for direct relex

A

on side of face

38
Q

things that constrict the eyes

A

narcotics
alcohol
heroin
moprhine
truama
neurologic event

39
Q

things that dilate the eyes

A

illegal drugs
- coccaine, weed, amphametapines
trauma/head injury
atropine

40
Q

what is atropine

A

used to dilate pupils at eye doctor

41
Q

atropine inhibits pupils ability to

A

accomadate

42
Q

why do we get a eye change with a stroke

A

lack of blood flow

43
Q

accomodation

A

look at distance, relaxes eye and dilates
focus close constriction

44
Q

accomadation tests

A

constriction

45
Q

what CN are responsible for constriction

A

3,4

46
Q

Jaeger chart

A

near distance

47
Q

numurator on snellen chart

A

distance from chart, 20ft, same number

48
Q

denominator on snellen chart

A

distance a normal eye could read

49
Q

20/50 good or bad

A

bad

50
Q

20/15 good or bad

A

good

51
Q

when doing the snellen chart make sure pt has

A

contacts/glassess

52
Q

denominator larger, good or bad

A

bad

53
Q

denominator smaller, good or bad

A

good

54
Q

red reflex

A

reflection of the light from opthalmoscope off inner retina

55
Q

what color would red reflex be on light iris

A

red

56
Q

what color would red relex be on dark iris

A

orange

57
Q

normal iris

A

flat, round, evenly colored

58
Q

pupils

A

equal L and R, 3-5mm

59
Q

myopia

A

nearsighted, deeper oval eye/ need (-) diopter

60
Q

hyperopia

A

farsighted, shorter globe/ need + diopter

61
Q

dilated non reactive

A

increased intracranial pressure