Lacrimal canaliculitis due to Arachnia (Actinomyces) propionica.

The clinical and microbiological findings in a chronic case of lacrimal canaliculitis due to Arachnia propionica are described. Bacterial culture and identification should be performed in the investigation of the disease in order to establish the role of A. propionica and other specific actinomycetes at the acute as well as at the chronic stage.