Oculomotor Nerve Damage: Strabismus and Ptosis – Causes & Symptoms

Yes. Damage to the oculomotor nerve (CN III) can cause both:

  • Ptosis: Disrupts levator palpebrae superioris → eyelid drooping.
  • External strabismus: Disrupts lateral rectus, superior/inferior rectus → impaired extraocular movement.

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