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.