Abstract
PURPOSE: To report a case of transient anisocoria and mydriasis in a 14 year old boy with toxoplasmosis retinochoroiditis. OBSERVATION: The patient presented with panuveitis and mydriasis which persisted for 18 days and spontaneously resolved. CONCLUSIONS AND IMPORTANCE: Mydriasis is a rare potential neurological manifestation of toxoplasmosis retinochoroiditis. Clinicians should be aware of this rare cause of anisocoria.