Pets often defecate into childrens sand boxes, which transfers the eggs into the sand.
This is termed visceral larva migrans or toxocariasis . In the eye, Toxocara cysts may be mistaken for retinoblastoma, cancer of the eye, leading to removal of an eye. Symptoms of infection range from none, if the infection is light, to a variety of signs including fever, cough, wheezing, seizures, rashes, lymph node enlargement, and visual symptoms including decreased vision. Wash you hands after handling pets, and keep puppies and kittens dewormed.