EN
In May 1958 an unkmown parasite was received for investigation by the Eye-Department of the Hospital at Bydgoszcz. The paraisite had been found in the front eyeball ventricle of 3-year old boy. Closer, investigations revealed that it was Hypoderma lineatum (de Villers) larva Tesponsible for the ophthalmomyasis the boy was suffering from. This is the first written report of an ophthalmomyasis caused by the larva of H. lineatum in this country.