What is herpes zoster ophthalmicus (HZO)?

Updated: Feb 15, 2019
  • Author: Wayne E Anderson, DO, FAHS, FAAN; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Caused by reactivation of VZV infection in the ophthalmic division of the trigeminal nerve.

The presentation may include conjunctivitis or corneal ulcers

Complications include blindness

Vesicles do not have to be present

Rarely, the virus migrates along the intracranial branches of the trigeminal nerve, causing thrombotic cerebrovasculopathy with severe headache and hemiplegia

See Clinical Presentation for more detail.

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