Fig. 1

Slit-lamp and direct microscopy digital images. A, B Photographs demonstrating that right eye showed a central corneal ulcer with a diameter of about 6 × 6 mm with underlying dense stromal infiltrates. C, D Day 1 following therapeutic penetrating keratoplasty, hyperemia and a thin exudation membrane in the anterior chamber were discernible. E, F Day 4 postsurgery, central infiltrate with superficial radiating reticular pattern with hypopyon was visible. G Microbial culture of P. insidiosum collected from corneal tissue at 37 °C grown on 5% sheep blood agar. H P. insidiosum stained with lactophenol blue revealing branching filamentous fungus-like hyphae (original magnification ×400)