exam 2 - vestibular testings

Question 1

smooth pursuits and saccades are indication of peri of central

Answer 1

central issues

Question 2

VOR cancellation the pt cannot keep their eye on the target

Answer 2

central issue

Question 3

why do we do gaze holding

Answer 3

to see if you have central lesion

the cere and the brain stem are essential for gaze holding

Question 4

what two components are important for gaze holding

Answer 4

medial vestibular nucleus

prepositus hypoglossi

Question 5

what happen if our eye drift from the central position

Answer 5

there will be quick corrective saccades that will beat in the opposite direction of the slow drift

this is gaze evoked nys

Question 6

what is a skewed deviation

Answer 6

vertical misalignment of the eyes due to a supranuclear lesion

Question 7

how is the skewed deviation named

Answer 7

for the side of the lower eye

Question 8

what is the vetical movement of the eye an indication of in the cover test

Answer 8

brain lesion or a stroke

Question 9

what is strabismus

Answer 9

an abnormal alignment of the eyes

Question 10

heterophoria

Answer 10

this is the intermittent tendency for misalignment

may develope heaache, double vision, eye strain

Question 11

what is heteriphoria due to

Answer 11

stress
head ache
illness

Question 12

hterotrophia is seen in what population of children

Answer 12

3%
children do not grow out of it

Question 13

what is a tropia - seen in the test

Answer 13

this occurs when the fixating eye is covered and the deviating uncovered eye moves

Question 14

what is a phoria - seen in the test

Answer 14

when the deviating eye is covered - it tends to move

so when we uncover it the examiner can see the eye move back to its original position

Question 15

what do we see with a positive in HIT

Answer 15

corrective saccade
- indicating that they have a vest issue

Question 16

testing what ear in HIT

Answer 16

turn to the left - testing the left ear

Question 17

if only positive on one side for the HIT what does this indicate

Answer 17

a UVL

Question 18

for vibration induced nys where is the vibration applied

Answer 18

the mastoid

Question 19

with UVL what kind of nys did people have with vibration induced

Answer 19

horizontal
fats phase beating toward affected ear

Question 20

long term use of ppresent vestibular medication can

Answer 20

impact the indivdual recovery

Question 21

post operative phase and interventions for vest issues

Answer 21

may postpone

Question 22

how long can the risk of fall last for for someon who has a UVL

Answer 22

one year

Question 23

what is rentinal slip r

Answer 23

movement of visual images across the retina

Question 24

what is the impact of rentinal slip

Answer 24

error signal that the brain attempts to minimize by icreasing he gain of the VOR

Question 25

when do we refer neuro-optometrist

Answer 25

extreme exotropia

pt is not getting better

convergence spasm

Question 26

trophia - eye placement

Answer 26

the eyes are alway deviated

Question 27

phoria - eye placment

Answer 27

the eyes are sometimes deviated