A-C (case 1). A, Conjunctiva excision of the fibrous mass tissue with the extracted nematode tightly beneath the sub-conjunctiva. B and C: Longitudinal view of the cuticle of the nematode before fixation (B) and after haematoxylin and eosin staining showing the external prominent ridges (black arrows) and two internal striae (yellow arrowheads) per interridge (bar = 30 μm). d-F (case 2; Masson-Goldner trichrome staining). D, Worm sections in the inflammatory infiltrate (bar = 600 μm). E, Oblique and sublongitudinal section showing the cuticle with ridges (black arrows) and two striae (reddish) (yellow arrowheads) per interridge, and muscles cells (bar = 50 μm). F, Transverse section in anterior part with narrow lateral chord, developed muscle cells, thin intestine and two uteri (bar = 50 μm).