Also known as Onchocerciasis or Robles’ Disease, is a parasitic disease where the Onchocerca volvulus infects the patient through the bites of the blackflies of Simulium species which are carriers of its larvae. According to the WHO, it is prevalent in many African countries as well as in Latin America. The eye lesions manifest in inner tissues of the eye and cause inflammation, bleeding and blindness if untreated. Mectizan? is currently used as a treatment over prolonged periods to avoid complications and prevent blindness.