ILOs

• Place cranial nerve signs in clinical context.

• What are the cranial nerves?
• Where can cranial nerve abnormalities arise from?
• Here’s a trick to learning cranial nerve numbers, names & components…
• Look at the arrangement of cranial nerve nuclei within the brainstem…
• Let’s look at cranial nerve I: olfactory…
• Now, time for cranial nerve II: optic…
• Look at images of the optic disc…
• How do we examine pupillary reflexes?
• Look at the Snellen Chart…
• And now look at how we do a visual field examination…
• Look at the muscles that act on the eye, and their movements…
• Time for cranial nerve III: occulomotor…
• Look at the anatomical course of the occulomotor nerve…
• Here’s a complete left occulomotor nerve palsy…
• Now time for cranial nerve IV: trochlear…
• Let’s look at cranial nerve VI: abducens…
• Look at an abducens nerve palsy…