Revisiting the Corneal and Blink Reflexes for Primary and Secondary Trigeminal Facial Pain Differentiation

Table 1

Lesions and conditions that can present with trigeminal neuralgia-like pain with loss of corneal reflex.

Viral infections	Herpes zoster
Intracranial space-occupying lesions	Meningioma, schwannoma, acoustic neuroma, and AV malformations epidermoid tumors/cyst
Demyelinating disorders	Multiple sclerosis
Inflammatory disorders	Tolosa–Hunt syndrome; Gradenigo’s syndrome
Others	Arnold–Chiari 1 malformation