246 SummaryA case of the human ocular dirofilariosis in 72-year-old man from southern Slovakia is documented. Two days before visiting a doctor he noticed a live worm in his right eye. The eye was inflamed and itching. The worm of 100 mm in length was isolated from the subconjunctival space. On the basis of morphological appearance, histological examination and PCR-based detection, it was identified as Dirofilaria repens. The patient was probably infected in the southern Slovakia, which is an enzootic area of dirofilariosis of dogs.