A Rare Cause of Sudden Ptosis: Posterior Communicating Artery Aneurysm.

A forty-seven-year-old female patient was admitted to our clinic with sudden ptosis and diplopia without pain. She had no trauma or systemic disease history. Ptosis and mydriasis were observed in her left eye.

Tick-Induced Facial Palsy.

Ticks are obligate blood-sucking arthropods that exist worldwide. Their targets include all vertebrates and humans. Ticks are harmful to people with regard to transmission in many viral, bacterial, and parasitic infections.