Dirofilariasis: an uncommon parasitosis of the eye.

people with whom he was speaking. Headaches and changes in concentration abilities resolved within 4 months, whereas visual symptoms still persisted after 8 months of drug abstinence, although slightly reduced in intensity. Neuro-ophthalmic evaluation, including visual acuity, visual fields, stereopsis using the Titmus test, colour perception, and pattern visually evoked response, failed to demonstrate any abnormality. Neurological examination was normal, including electroencephalogram and computed tomography scan.