الفهرس | Only 14 pages are availabe for public view |
Abstract The facial nerve (seventh cranial nerve) innervates the orbicularis oculi muscle the main the protractor of the eye . Paralysis of orbicularis oculi muscle leads to inability to fully close the eye what is known lagophthalmos . Lagophthalmos is a symptom that brings many complications from disfigurement and simple keratitis to corneal ulcers and in some cases blindness |