Cranial Nerve And Eom Testing.

CRANIAL NERVE AND EOM TESTING
Which EOM elevates the eye when eye is turned 23 degrees OUT? (ABduct) - ANS-SR

Which EOM depresses the eye when eye is turned 23 degrees OUT? (ABduct) -
ANS-IR

Which EOM elevates the eye when eye is turned 54 degrees IN? (ADDuct) - ANS-IO

Which EOM depresses the eye when eye is turned 54 degrees IN? (ADDuct) - ANS-SO

A RIGHT and UP gaze will test which EOM of the right and left eye? - ANS-SR right eye
IO left eye

A LEFT and UP gaze will test which EOM of the right and left eye? - ANS-SR left eye
IO right eye

A RIGHT and DOWN gaze will test which EOM of the right and left eye? - ANS-IR right
eye
SO left eye

A LEFT and DOWN gaze will test which EOM of the right and left eye? - ANS-IR left eye
SO right eye

A pt with a LEFT CN IV palsy will present w/
a. A hyper left eye and a left head tilt
b. A hyper left eye and right head tilt
c. A hyper right eye and left head tilt
d. A hyper right eye and right head tilt - ANS-b. A hyper left eye and right head tilt
**Affected eye is higher, head tilted to opposite side

A pt with a LEFT CN IV palsy will have a hyper left eye that worsens when gazing to the
____________ and tilting their head to the ________ - ANS-Gazing to the RIGHT and
tilting their head to the LEFT

When assessing for a CN __ palsy, it is important to determine
- Complete or incomplete palsy
- Pupil involved or sparred
- LPS involvement - ANS-CN III palsy