Iridocyclitis, cataract, papillitis and chorioretinitis in onchocerciasis patients (n = 82) post ivermectin treatment. Differences were evaluated using Pearson's chi-square test.

$PIT = post initial treatment. PES = Posterior Eye Segment. $$Other Lesions: Phtyse, Pupille scleroatrophic, Synechie post trauma, Pigments on posterior Capsule. §§Other Lesions: Phtyse, dead O.volvulus microfilariae on posterior capsule. &&Other Lesions: optic cup/disc >0.5. §§§Other Lesions = retina detachment from the retinal pigment epithelium, drusen. *p<0.001 compared to 4 years PIT; **p<0.001 compared to before ivermectin; ***p<0.0001 compared to before ivermectin and 4 years PIT. &p<0.01 compared to before ivermectin.