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
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