Ophthalmology In a patient with ptosis, which of the following is the cause of retraction of the ptotic eye lid on chewing? A Abducent nerve palsy B Occulomotor nerve palsy C Marcus Gunn Jaw Winking Syndrome D Third nerve misdirection syndrome 💡 Explanation In a patient with ptosis, which of the following is the cause of retraction of the ptotic eye lid on chewing? ✓ Correct Answer: C. Marcus Gunn Jaw Winking Syndrome