The thread-like worm Loa Loa swimming around inside the eye! This was taken prior to the surgical removal of a loa loa worm from the subconjunctival tissue of the eye. As previously discussed, Loa loa is a blood dwelling nematode that is parasitic in humans and passes through the repeated bites of deerflies. The adult worm wanders through the subcutaneous tissue but is most obvious as it crosses the conjunctiva of the eye hence leading to its common name, the African eye worm. Like all roundworm