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🦠microbiology review

Herpetic keratitis

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

Definition

Herpetic keratitis is an infection of the cornea caused by the herpes simplex virus (HSV). It can lead to eye pain, redness, blurred vision, and potentially result in blindness if untreated.

5 Must Know Facts For Your Next Test

  1. Herpetic keratitis is primarily caused by HSV-1, but HSV-2 can also be responsible.
  2. Symptoms of herpetic keratitis include eye pain, tearing, redness, and sensitivity to light.
  3. Dendritic ulcers seen on the cornea are a characteristic sign of herpetic keratitis.
  4. Antiviral medications such as acyclovir or ganciclovir are commonly used treatments.
  5. Recurrent infections can cause scarring of the cornea and loss of vision.

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