Unilateral visual disturbances, strabismus, and eye pain are the most common presenting symptoms.

The disease presents with an eosinophilic granulomatous mass, most commonly in the posterior pole of the retina.

[citation needed] ELISA testing of intraocular fluids has been demonstrated to be of great value in diagnosing ocular toxocariasis.

[citation needed] The retinal lesion can mimic retinoblastoma in appearance, and mistaken diagnosis of the latter condition can lead to unnecessary enucleation.

The eye involvement can cause the following inflammatory disorders:[citation needed] In contrast to visceral larva migrans, ocular toxocariasis usually develops in older children or young adults with no history of pica.