ABV KMK Ocular Motility Exam Questions & Answers 2024/2025
What are the axes of listings plane? - ANSWERSY: line of sight through center of rotation
X: horizontal
Z: vertical
Muscle plane - ANSWERSDirection of pull from EOM COR/insertion
Axis of rotation - ANSWERSAround which the eye r...
What are the axes of listings plane? - ANSWERSY: line of sight through center of rotation
X: horizontal
Z: vertical
Muscle plane - ANSWERSDirection of pull from EOM COR/insertion
Axis of rotation - ANSWERSAround which the eye rotates when acted by an EOM -> perpendicular to
muscle plane
Tangential point - ANSWERSWhere the muscle 1st contacts the globe
Arc of contact - ANSWERSThe area where the EOM exterts its action: between the tangential point and
point of insertion
Spiral of Tillaux - ANSWERSMR (5.5)
IR (6.5)
LR (6.9)
SR (7.7)
What is the antagonist of the SO according to Sherrington's law? - ANSWERSIO
What is the difference between the VOR and the OKR? - ANSWERSVOR: short head movements (under
30s)
OKR: long head movements (over 30s)
, Velocity of VOR - ANSWERS300 deg/s
Latency of VOR - ANSWERS15 ms
Describe the phases of the VOR - ANSWERSSlow phase: opposite to head movement
Fast phase: same as head movement
Caloric testing: warm water in the right ear -> slow phase will be - ANSWERSWS -> fast phase right so
SLOW PHASE IS LEFT
Null point of nystagmus - ANSWERSNo nystagmus
Neutral point of nystagmus - ANSWERSPoint where nystagmus switches directions
Which is normal? End-point of Gaze-evoked nystagmus? - ANSWERSEnd-point
optokinetic nystagmus vs. optokinetic reflex - ANSWERSOKN: head still, moving object
OKR: prolonged head movement after VOR
velocity of saccades - ANSWERS1000 deg/s
Latency of saccades - ANSWERS200 ms
A lesion in the right FEF will affect saccades to the - ANSWERSLeft (eye will be turned right)
Types of inappropriate saccades - ANSWERSSquare wave jerk
Ocular flutter
Opsoclonus
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.
