Ophthalmomyiasis refers to infestation of the eye by dipterous fly larvae such as Chrysomyia bezziana. Chrysomyia bezziana is also known as old world screw worm; it is an obligatory parasite of the wound and found mostly in tropical and subtropical areas of the world. The sequelae of ophthalmomyiasis may range from minor irritation to blindness and even death. Treatment of ophthalmomyiasis involves removal of the larvae.