The effects of blindness can hit all family members, with parents and grandparents relying heavily on children for support.  Sightsavers is an international NGO who works with partners in more than 30 countries in Africa, Asia and the Caribbean to help restore sight, prevent blindness and promote equality for people who are irreversibly blind.The Global Trachoma Mapping Project is a global project to map the burden of the blinding disease trachoma. A consortium led by Sightsavers is surveying one third of Africa to confirm estimates that up to 180 million people might be at risk from this neglected tropical disease. Visit site savers for more information.