Figure 4: (a) Microsporidial spores (black arrow) seen as well-defined oval reddish bodies on Ziehl Neelsen stain of the corneal button derived from the first patient. (b) Gram’s stain of the second patient showing microsporidial spores (black arrow). (c) Potassium hydroxide (KOH) 10% depicting well defined microsporidial spores (black arrow), obtained from corneal scraping from the third patient.