“…The toxoplasma cysts are identified with haematoxylin and eosin, immunohistochemistry using polyclonal or monoclonal antibodies (3,27) , or by PCR (17) . Histologically, ocular toxoplasmosis often presents extensive granulomatous inflammatory infiltration of the choroid and areas of necrosis under the retinal pigment epithelium (3,26) . Furthermore, the parasite's DNA can be identified in vitreous and humour samples using PCR (21,28) .…”