Neurological and Ophthalmological Manifestations of Varicella Zoster Virus

Background:Approximately 1 million new cases of herpes zoster (HZ) occur in the United States annually, including 10%–20% with herpes zoster ophthalmicus (HZO). Postherpetic neuralgia, a debilitating pain syndrome occurs in 30% HZ, whereas 50% HZO develop ophthalmic complications. Diplopia from cran