A case of corneal ulcer in a 10-year-old Nigerian boy in which clostridium welchii and achromobacter were isolated is reported. The absence of trauma and rarity of only corneal involvement in a clostridial infection is emphasized. The bacteriology of the clostridial infection is emphasized. The bacteriology of the clostridial ocular infections is reviewed, the media necessary for isolation of the organism and the symbiotic relationship with other bacteria are discussed. The clinical course of the disease with uneventful recovery of the patient is emphasized.