Keratitis
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ICD10 CODE: H16
Inflammation of the cornea.
Cause
- Infection: Bacterial, viral, or fungal; leading to corneal ulceration
- Trauma: Chemical, foreign bodies
Clinical features
- Redness and tearing
- Fear of light
- Cornea is not clear and will stain with fluorescein in the case of corneal ulcer (pattern of staining depends on the causative agent, for example dendritic in viral keratitis)
- Visual acuity is usually reduced
- Condition is often unilateral
- The eye is painful
Investigations (where facilities are available)
- Full ocular examination
- Fluorescein stain to confirm diagnosis
- Pus swab for gram stain, culture and sensitivity
- Corneal scraping for microscopy, culture and sensitivity
Management
Treatment | LOC |
Admission is mandatory for young children, one- eyed patients, non-improvement after 72 hours of treatment, large ulcers (>4 mm diameter), associated occular complications such as hypopion or scleritis Treat the specific cause
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H
HC2 HC4 RR HC4 |
Caution - DO NOT use topical cortcosteroids in patients with infective keratitis |