Acanthamoeba as a cause of peripheral ulcerative keratitis.

PURPOSE: To report a case of peripheral ulcerative keratitis caused by Acanthamoeba.

METHODS

Case report and review of the literature. A 37-year-old woman with a history of pain and redness of the right eye with no apparent predisposing factors, on examination, revealed a peripheral ulcerative keratitis.

RESULT: Microbiological investigations of the corneal infiltrate revealed Acanthamoeba cysts.

CONCLUSION

All cases of peripheral ulcerative keratitis should be subjected to routine microbiological evaluation including those for Acanthamoeba.