🦠microbiology review

Herpes keratitis

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Herpes keratitis is an infection of the cornea caused by the herpes simplex virus (HSV). It can lead to pain, redness, blurred vision, and can result in scarring or vision loss if untreated.

5 Must Know Facts For Your Next Test

  1. Herpes keratitis is predominantly caused by HSV-1 rather than HSV-2.
  2. It is a leading cause of infectious blindness in developed countries.
  3. Diagnosis often involves corneal staining and viral culture or PCR testing.
  4. Treatment typically includes antiviral medications like acyclovir or ganciclovir.
  5. Recurrences are common and can be triggered by stress, illness, or sunlight.

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