A filariasis that involves parasitic infection of the skin and eyes caused by the nematode Loa loa, which is transmitted through the bite of a deer fly or mango fly. The disease is characterized by episodic angioedema in the arms and legs, and cyst-like enlargements of the connective tissue around the sheaths of muscle tendons. Dead worms may cause chronic abscesses, which may lead to the formation of granulomatous reactions and fibrosis.