Non-traumatic mycotic keratitis

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Abstract
Two patients presented with culture proven Paecilomyces corneal infection, and a further patient with histologic evidence of fungal infection, on deep corneal biopsy. In all three cases the corneal infection was macroscopically present only in the depth of the cornea and on the endothelial surface with an intact epithelium and no overlying stromal involvement. Repeated surgery with large corneo-scleral grafts in two cases, and with medical therapy and a small patch-graft alone in the third case, resulted in long-term eradication of the infection and preservation of the globes. Antecedent modulation with steroid and/or cyclophosphamide may well have delayed the diagnosis, however, as there was no history of trauma in any of these cases, we postulate that these infections were not exogenously derived.