Correction of upper eyelid retraction following ptosis surgery using Hering’s law: A case report

Postoperative upper eyelid retraction following monocular ptosis correction is a rare condition. The conventional treatment approach typically involves reoperation on the affected eye. However, considering the importance of Hering's law in the management of ptosis, excellent outcomes were achieved in this case through surgery on the contralateral, unaffected eye. When treating a patient, the operation should be tailored to their specific condition.