A dendritic ulcer results from a corneal infection secondary to the Herpes Simplex Virus (HSV) type 1. This is a DNA virus which commonly infects children and young adults, often initially manifesting as a non-specific upper respiratory tract illness. Subsequently HSV type 1 lies dormant in the trigeminal nerve and activation of the virus can result in infection of the corneal epithelium.
Dendritic Ulcer
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