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29
CN III: Oculomotor Nerve
What hole in the skull does it pass through?
Motor function and dysfunction?
Parasympathetic function and dysfunction?
Tests?
What hole in the skull does it pass through?
Motor function and dysfunction?
Parasympathetic function and dysfunction?
Tests?
Goes through orbital fissure
Motor to extrinsic skeletal muscle of th eye (GSE)
Dysfunction: lateral strabismus due to pull of lateral rectus
ptosis (drooping of the superior palpebra)
Parasympathic motor (GVE) to intrinsic smooth musculature of the eye
Dysfunction: mydriasis (dilation of the pupil); cyclopegia (paralysis of accommodation)
Tests: direct and consensual light reflexes
Motor to extrinsic skeletal muscle of th eye (GSE)
Dysfunction: lateral strabismus due to pull of lateral rectus
ptosis (drooping of the superior palpebra)
Parasympathic motor (GVE) to intrinsic smooth musculature of the eye
Dysfunction: mydriasis (dilation of the pupil); cyclopegia (paralysis of accommodation)
Tests: direct and consensual light reflexes