Oculomotor nerve palsy in herpes zoster ophthalmicus: Presentation of 4 cases.

Varicella zoster virus (VZV) infection has a high prevalence worldwide. Within the multiple ophthalmologic manifestations that VZV can cause, sudden diplopia is among them. A review is presented of four clinical cases of 3rd and 4th oculomotor nerve palsies in herpes zoster ophthalmicus. A review is also presented of the physiopathology and most important clinical manifestations. Imaging tests are essential in order to rule out complications. Systemic antiviral administration is the correct treatment.