Acanthamoeba is a free-living protozoon. Exposure to acanthamoeba is very common, but infections occur only rarely. Acanthamoeba keratitis should be suspected in every pacient with chronic, progressive ulcerative keratitis of a few weeks’ duration, from whom no specific organisms have been isolated, and who fails to respond to conventional antibacterial and antiviral therapy. The therapy is usually long and complicated. … Preberite več >>