CH: 15 Eyes

Question 1

which nerve direct eye outward?

Answer 1

CN VI

Question 2

which nerve directs eye inward and down?

Answer 2

CN IV

Question 3

which nerve directs eye all other ways?

Answer 3

CN III

Question 4

what is corneal blink reflex

Answer 4

blinking if something touches eye

Question 5

what does six cardinal gazes test for

Answer 5

nystagmus
*repetitive uncontrolled movements

Question 6

pupillary light reflex

Answer 6

normal constriction when bright light shines on retina

Question 7

direct eye reflex

Answer 7

shine in eye and it constricts

Question 8

consensual eye reflex

Answer 8

shine in one eye and look in other eye

Question 9

fixation

Answer 9

eye directs toward object

Question 10

accommodation

Answer 10

adaptation for near vision
*look far then focus on something close and eyes will constrict

Question 11

strabismus

Answer 11

cross eyed

Question 12

diplopia

Answer 12

double vision

Question 13

glaucoma

Answer 13

increased intraocular pressure
*lose peripheral vision

Question 14

cataracts

Answer 14

clouding of lens

Question 15

macular degeneration

Answer 15

nerve degenerates
*central vision loss

Question 16

presbyopia

Answer 16

loss of near vision due to loss of elasticity

Question 17

anisocoria

Answer 17

unequal pupils

Question 18

whats the cornea

Answer 18

clear outer layer front of eye
*check smoothness and clarity

Question 19

whats the lens

Answer 19

located behind the iris
*check clarity

Question 20

whats the iris

Answer 20

colored portion of eye
*flat round evenly colored

Question 21

what are pupils

Answer 21

black opening inside iris
*note size shape and equality

Question 22

what does the macula do

Answer 22

receives and transduces light

Question 23

what is the fovea centralis

Answer 23

area of sharpest vision

Question 24

myopia

Answer 24

nearsighted
*need (-) diopter

Question 25

hyperopia

Answer 25

farsighted
*need (+) diopter

Question 26

esotropia

Answer 26

inward turning of eye

Question 27

exotropia

Answer 27

outward turning of eye

Question 28

blepharitis

Answer 28

inflammation of eyelids
*infection of hair follicle

Question 29

chalazion

Answer 29

red bump on top of eyelid

Question 30

hordeolum

Answer 30

stye
*bump in eyelashes on actual edge of eyelid
*inflammation of gland

Question 31

miosis

Answer 31

constricted and fixed pupils
*small

Question 32

mydriasis

Answer 32

dilated and fixed pupils
*large

Question 33

when might you see macula central blind area

Answer 33

with diabetes

Question 34

conjunctivitis

Answer 34

pink eye

Question 35

how do you test visual acuity

Answer 35

snellen eye chart

Question 36

how do you test visual fields

Answer 36

confrontation test