A man in late 40s presented with corneal ulcer of the right eye of 1 month duration. He had a central corneal epithelial defect measuring 4.6×4.2 mm with an underlying 3.6×3.5 mm anterior to mid stromal patchy infiltrate and 1.4 mm hypopyon. Gram stain of the colonies on chocolate agar showed presence of confluent thin branching, gram-positive beaded filaments, which were positive after 1% acid fast stain. This confirmed our organism to be Nocardia sp. Topical amikacin was started but continued worsening of the infiltrate and presence of a ball of exudates in the anterior chamber, prompted the use of systemic trimethoprim-sulfamethoxazole. There was a dramatic improvement in the signs and symptoms, with complete resolution of infection over a period of 1 month.
Keywords: Anterior chamber; Drugs: infectious diseases.
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