A 39-year-old male living in Yamanashi Prefecture, Japan, who complained of headaches, and redness, the sensation of foreign bodies and puffy eyelids of the left eye, visited the Department of Ophthalmology, Yamanashi Medical College. A larval nematode was found in the anterior chamber of the left eye and removed through a limbic incision. This nematode was identified as the spirurid type X larva.