Hypopyon in a patient with presumptive diffuse unilateral subacute neuroretinitis

PURPOSE: To report a case of diffuse unilateral subacute neuroretinitis (DUSN) that developed an acute iridocyclitis with hypopyon. METHODS: Case report. We describe a 21-year-old male with clinical diagnosis of DUSN who developed a sudden and severe acute iridocyclitis with hypopyon after one year of follow-up that resolved after treatment with systemic corticosteroids. RESULTS: Anterior chamber paracentesis was performed and cultures were negative. Cytologic studies disclosed the presence of eosinophils. CONCLUSIONS: This unusual ocular finding may be related to the death of the nematode in the course of the disease.