1. :Oculomotor nerve originates in the midbrain and innervates several eye muscles. 2. The inferior oblique is innervated by the inferior branch of the oculomotor nerve . 3. The uncus can squeeze the oculomotor nerve ( a . k . a. 4. This is because Horner's syndrome and oculomotor nerve lesions both cause ptosis. 5. These cases may be due to brain mass lesions which cause oculomotor nerve palsy. 6. Diabetic neuropathy of the oculomotor nerve in a majority of cases does not affect the pupil. 7. A brain catastrophe, or a rapidly increasing brain mass, can cause compression of the oculomotor nerve . 8. Convergence is classically spared as cranial nerve III ( oculomotor nerve ) and its nucleus is spared bilaterally. 9. The nuclei of the oculomotor nerve ( III ) and trochlear nerve ( IV ) are located in the midbrain. 10. Since the oculomotor nerve controls most of the eye muscles, it may be easier to detect damage to it.
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