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A viral infection caused by the reactivation of the Varicella-Zoster Virus (VZV), the same virus that causes chickenpox and shingles. It specifically affects the ophthalmic branch (V1) of the Trigeminal nerve (Cranial Nerve V), leading to a painful rash on the forehead, eyelid, and potentially serious complications within the eye.
read more about zoster ophthalmicus ...Characterized by a unilateral (one-sided) vesicular rash that follows the dermatome of the V1 nerve. A key indicator of potential eye involvement is Hutchinson's Sign, a rash on the side or tip of the nose.
Complications can include keratitis (corneal inflammation), anterior uveitis (iris and ciliary body inflammation), glaucoma, retinal necrosis, and chronic pain (post-herpetic neuralgia).
Requires immediate treatment with high-dose oral antiviral medications (e.g., Acyclovir, Valacyclovir) to minimize the severity and duration of the rash and prevent permanent vision loss.
It is the appearance of shingles lesions on the tip or side of the nose, indicating that the nasociliary branch of the V1 nerve is involved, which carries sensory fibers to the cornea and iris.
The virus itself is contagious (can cause chickenpox in those not immune), but the disease is caused by reactivation in a person who previously had chickenpox.
Yes. Chronic inflammation (uveitis) and corneal scarring can lead to permanent vision loss if the condition is not treated promptly and aggressively.