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- Commonly associated with soft as well as extended contact lens wear.
- Among the most common causes of bacterial keratitis together with Staph. aureus, S. pneumonia and Moraxella sp.
- Symptoms may include:
- Decreased vision
- Red eye
- Conjunctiva and/ or lid edema
- Mucopurulent discharge
- Rapidly progressive ulceration with underlying dense suppurative stromal inflammation
- Diffuse surrounding corneal edema
- Thick mucopurulent, yellow-greenish exudates
- Associated anterior chamber reaction and hypopyon formation
- Risk of perforation
- May have Wesley-like ring on endothelium
- Cessation of contact lens wear.
- Topical antibiotics including tobramycin and/or fluoroquinolone.
- Fortified antibiotics around the clock for sight threatening ulcers.
- Consider subconjunctival antibiotics.
- Systemic antibiotics for threatened perforation or scleral involvement.
- Anticollagenase therapy (i.e. tetracycline family)