Herpes Zoster Ophthalmicus

**Definition:** Virus infection of the Gasserian ganglion and its nerve branches characterized by pain and vesicular eruptions with much swelling. Ocular involvement is usually heralded by a vesicle on the tip of the nose. This area is innervated by the nasociliary nerve.

**Tree numbers:** - C01.375.725.450 - C01.925.256.466.930.750.466 - C01.925.325.450 - C11.294.800.450

**Synonyms:** - Herpes Zoster, Ocular