Background: Toxocara canis is a parasite that can infect the eye and create a significant inflammatory response that can be detrimental to the patient's vision. Its clinical presentation can mimic other causes of uveitis, and its diagnosis and treatment can be challenging. Prompt and accurate diagnosis of ocular toxocariasis is essential to prevent permanent visual loss. Case Report: A 7-year-old Hispanic boy presented to the clinic with complaints of reduced visual acuity in the left eye. After a careful evaluation of his ocular health, he had ocular toxocariasis diagnosed and confirmed by enzyme-linked immunosorbent assay testing. Treatment with the anthelmintic, albendazole, and oral steroids was initiated. There was initial improvement of the vitritis with significant vitreous debris. However, 2 years later, reactivation occurred, and a vitrectomy was required. This case report reviews the management of a patient with active ocular toxocariasis, including clinical findings and treatment options. Conclusions: The differential diagnosis of ocular toxocariasis and review of the available treatments are presented. © 2009 American Optometric Association.