Surgery Most common cause of diplopia in orbital fracture is: A Edema and hemorrhage in and around extraocular muscles. B Detachment of muscle insertion or origin. C Injury to nerve supplying to muscle. D Entrapment of muscle in fractured segment. 💡 Explanation Most common cause of diplopia in orbital fracture is: ✓ Correct Answer: A. Edema and hemorrhage in and around extraocular muscles.