Listeria monocytogenes endophthalmitis.

Listeria monocytogenes and a staphylococcus organism caused a catastrophic endophthalmitis in a patient despite appropriate local and systemic antimicrobial chemotherapy. Although L monocytogenes is widespread in nature and has produced a variety of clinical illnesses, it has only one previously been reported to cause endophthalmitis. If appropriate microbiologic techniques are not employed, the organism may go unrecognized as an ocular pathogen.