Fig. 2From: Microsporidial keratitis retrospectively diagnosed by ultrastructural study of formalin-fixed paraffin-embedded corneal tissue: a case reporta Ziehl–Neelsen staining of the excised cornea. Oval microorganisms stained with a reddish purple colour were observed. b Uvitex 2B staining of the excised cornea. Oval microorganisms showing blue fluorescence were visibleBack to article page