Lab Sessions

Question 1

Eye movements where a person’s gaze shifts

Answer 1

Saccades

Question 2

Eye movements that stabilize the image of a moving object

Answer 2

(Smooth) Pursuit

Question 3

Eye movements that stabilize the image of a still object

Answer 3

Fixation

Question 4

Eye movements that stabilize images during head motion

Answer 4

Vestibulo-ocular reflex

Question 5

Eye movements that stabilize images during sustained head rotation

Answer 5

Optokinetic Reflexes

Question 6

Eye movements that align the eyes on an object in depth

Answer 6

Vergence

Question 7

_____ and _____are affected by age and therefore requires conservative interpretation

Answer 7

Saccades, pursuit

Question 8

Patient reports a burst of nystagmus lasting less than a minute. Their pathology is likely _____

Answer 8

BBPV

Question 9

Nystagmus presents during spontaneous testing with and without fixation. This a _____ finding.

Answer 9

Central

Question 10

Nystagmus presents during spontaneous testing without fixation. This a _____ finding.

Answer 10

Peripheral

Question 11

Patient reports that loud sounds trigger their vertigo. Their pathology is likely _____

Answer 11

SSCD

Question 12

Patient reports that pressure changes trigger their vertigo. Their pathology is likely _____

Answer 12

A perilymph fistula

Question 13

Neuritis is typified by dizziness that lasts

Answer 13

A few hours to a few days

Question 14

BBPV is typified by dizziness that lasts

Answer 14

Under a minute

Question 15

Metabolic disorders are typified by dizziness that lasts

Answer 15

Several days to more than six months

Question 16

Which manual test assesses the patient ability to maintain fixation during head motion

Answer 16

Head Impulse Test

Question 17

When is tasking needed

Answer 17

Whenever the patient isn’t fixating

Question 18

Spontaneous vertical nystagmus is suggest _____ involvement

Answer 18

CNS

Question 19

Nystagmus that changes direction is consistent with _____ involvement

Answer 19

CNS

Question 20

Nystagmus in a fixed horizontal direction is typically ____ and _____

Answer 20

Peripheral, acute

Question 21

Describe the Gaze Test instructions

Answer 21

Patient sits with their head still
Instructed to gaze at the target in four positions, up, down, left, right
Can be done with goggles covered or uncovered
20 seconds in each position

Question 22

A normal result in the Gaze Test is typified by

Answer 22

No eye movement, no nystagmus

Question 23

A abnormal result in the Gaze Test is typified by

Answer 23

Inability to maintain gaze, nystagmus

Question 24

Describe the Gaze Test purpose

Answer 24

Assess patient’s ability to maintain gaze on an object without other movement

Question 25

Describe the Saccade Test instructions

Answer 25

Patient sits with their head still
Patient follows a target with their eyes as it moves randomly across the screen

Question 26

A normal result in the Saccade Test is typified by

Answer 26

Normal velocity, latency and accuracy of saccades

Question 27

An abnormal result in the Saccade Test is typified by

Answer 27

Slow velocity, long latency, overshooting and undershooting saccades

Question 28

Describe the Saccade Test Purpose

Answer 28

Asses how accurately eyes move from one point to another
Helpful for determining the involvement of the CNS

Question 29

Describe the Smooth Pursuit Test instructions

Answer 29

Patients sit with their head still
Patient is instructed to follow the target as smooth as they can moves back and forth across the screen

Question 30

Describe the Smooth Pursuit Test purpose

Question 31

A normal result in the Smooth Pursuit Test is typified by

Answer 31

Tracing of the stimulus and response should be identical
Gain of 1 (1:1 ratio)

Question 32

An abnormal result in the Smooth Pursuit Test is typified by

Answer 32

Response has a low gain, is out of phase or asymmetrical
Abnormal tracing aka Cogwheeling
Gain under .6