Loa loa: ocular filariasis in an African student in Missouri

Ocular filariasis was observed in an African student living in Missouri. The adult female Loa loa worm was seen migrating under the conjunctiva. There was 34% eosinophilia and a high microfilaremia. The patient was successfully treated with diethylcarbamazine (Hetrazan) with no appearance of allergic manifestations.