Eye Movements Flashcards
Actions of Eye muscles
Medial rectus - adduction
Literal rectus - abduction
Superior rectus - elevation/intorsion/adduction
Inferior rectus - extortion/depression/abduction
Superior oblique - depression/abduction/intorsion
Inferior oblique - elevates/abducts/extortion
Types of ocular movements
Monocular - ductions
Conjugate - versions - smooth pursuit
Vergence movements - disgugate
Which is the trochlear nerve
4th
Which is the abducens nerve
6th
Which is the oculomotor nerve
3rd
Differentiate longstanding and aquired deviation
Long-standing
- AHP and Px unaware, seen in photos
- no diplopia
- enlarged fusion range
- gradual onset of symptoms
- amblyopia
- suppression
- facial asymmetry
Aquired
- aware of AHP
- diplopia
- sudden onset
- no enlarged fusion range
- history of trauma