Cranial Nerves Overview 1. Olfactory – CN I – Smell 2. Optic – CN II – Vision 3. Oculomotor – CN III – Eye movement, pupil constriction, eyelid control 4. Trochlear – CN IV – Eye movement down and inward 5. Trigeminal – CN V – Facial sensation and chewing 6. Abducens – CN VI – Eye movement side to side […]