Marginal Keratitis

Marginal Keratitis
		SYMPTOMS	Pain \| Photophobia
		SIGNS	Peripheral white infiltrates - usually with an area of clear limbus \| Injection \| Blepharitis \| Possible ulceration
		WORK-UP	Thorough history. Slit lamp examination with NaFl dye
		TREATMENT	Lid hygiene (lid scrubs) \| Topical steroids: Lotemax 1 gtt qid \| FML 1 gtt qid
		FOLLOW-UP	Weekly during treatment
		ADDITIONAL LAB \| TESTS	None
		ETIOLOGY	Usually S. aureus but could be caused by other microorganisms such as Streptococcus and Moraxella
		DIFFERENTIAL DX	Peripheral ulcerative keratitis \| Fungal keratitis \| Acanthamoeba keratitis \| Mooren ulcer
		NOTES	Association with blepharitis and conjunctivitis