Marcus Gunn, a form of ptosis, results from an abnormal link between facial nerves and is usually identified early in childhood. It leads to one droopy eyelid that lifts when the jaw opens ...

and various ocular manifestations such as ptosis (drooping eyelid) and vision changes. The study also pointed out that cranial nerve VI is frequently affected, leading to lateral rectus palsy ...

Marcus Gunn, a type of ptosis, is the result of an abnormal connection between the facial nerves and is usually spotted in early childhood. It causes one droopy eyelid that rises when the jaw is ...