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Ocular Motor and Gaze Evaluation Quiz

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What is the ratio used to measure the ability to track a moving target in smooth pursuit?

Velocity gain: ratio of target speed and eye speed (correct)

Phase: eyes leading or lagging target

Factors: age and attention; lower with age

Latency: time for eyes to react

In saccades, what does 'velocity' refer to?

Time for eyes to react

How fast eyes move to reach target (correct)

How well eyes refocus on target

Quick eye movements to refocus fovea of eye

Which type of nystagmus indicates a central abnormality in gaze holding?

Vertical nystagmus (correct)

Nystagmus beating toward healthy side

Square waves jerks present

Greater intensity when vision denied

What type of BPPV involves short bursts in the vertical canals?

Canalithiasis (D) Signup and view all the answers

What is the primary purpose of optokinetic testing?

To assess peripheral vision abnormalities (B) Signup and view all the answers

What is the effect of age on the velocity gain in smooth pursuit?

It decreases with age (C) Signup and view all the answers

What effect does vision denial have on nystagmus during VOR testing?

Prevents suppression of nystagmus (B) Signup and view all the answers

What type of nystagmus is indicative of a central abnormality in gaze holding?

Vertical nystagmus (D) Signup and view all the answers

What factor affects the latency in saccades?

All of the above (D) Signup and view all the answers

What is the primary purpose of optokinetic testing?

To stimulate the entire field of vision (C) Signup and view all the answers

Ocular Motor and Gaze Evaluation Quiz

Choose a study mode

Podcast

Questions and Answers

What is the ratio used to measure the ability to track a moving target in smooth pursuit?

In saccades, what does 'velocity' refer to?

Which type of nystagmus indicates a central abnormality in gaze holding?

What type of BPPV involves short bursts in the vertical canals?

What is the primary purpose of optokinetic testing?

What is the effect of age on the velocity gain in smooth pursuit?

What effect does vision denial have on nystagmus during VOR testing?

What type of nystagmus is indicative of a central abnormality in gaze holding?

What factor affects the latency in saccades?

What is the primary purpose of optokinetic testing?

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