SimuliidaeOnchocerciasisOnchocerciasis, OcularOnchocerca volvulusOnchocercaAzinphosmethylIvermectinVesicular stomatitis New Jersey virusFilaricidesMicrofilariaRiversAntiparasitic AgentsInsect VectorsLarvaSkin Diseases, ParasiticMansonelliasisAntinematodal AgentsAfrica, WesternDiethylcarbamazineLoiasisLoaAnthelminticsAntigens, HelminthLiberiaCameroonGuineaAntibodies, HelminthInsect ControlDipteraEye DiseasesChorioretinitisEndemic DiseasesTogoTsetse FliesEcuadorNeglected DiseasesSierra LeoneCentral African RepublicNigeriaOptic AtrophyElephantiasis, FilarialBlindnessAfricaParasite Load