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Episode 32: Is it Simplex or Zoster?

by Dave Kading, OD, Mile Brujic, OD

When evaluating corneal lesions it is important to differentiate between herpes zoster and herpes simplex. The use of dyes is critical, and physicians should be sure to employ both fluorescein and rose bengal. Herpes simplex typically causes dendritic ulcers and is treated with topical antiviral therapy.