Herpetic keratitis

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.

Review Questions

• What virus is responsible for causing herpetic keratitis?
• Describe a characteristic symptom that distinguishes herpetic keratitis from other types of keratitis.
• What are common treatments used for managing herpetic keratitis?

Related terms

Keratitis: Inflammation of the cornea which can be caused by bacteria, viruses, fungi, or parasites.

Herpes Simplex Virus (HSV): A virus that causes infections in various parts of the body including cold sores and genital herpes.

Dendritic Ulcer: A branching ulcer on the cornea typical in herpetic infections.