Keratitis
Keratitis is inflammation or infection of cornea.
Classification of Keratitis
1. Superficial keratitis
Epithelial and superficial layer of cornea.
2. Deep keratitis
Deep layer of cornea.
3. Acute keratitis
4. Chronic keratitis
Causes of Keratitis
1. Bacterial infection
Staphylococcus aureus
2. Viral infection
Herpes simplex virus (HSV)
Herpes zoster
Adenovirus
3. Intense ultraviolet radiation exposure
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