Trachoma is easily transmitted from person to person, so good hygiene is vital to prevent the disease spreading.
Two more areas and more than a million people in the country have met the World Health Organization criteria for elimination of the disease.
Sightsavers is trialling an alternative strategy: rather than treating entire populations, the aim is to test residents first to see if they have the disease.
Dr Caroline Harper visited Tanzania and Uganda this week to highlight the advances being made to eliminate blinding trachoma.
Dr Sunday Isiyaku will lead the non-governmental development organisation coalition for neglected tropical diseases and eye health in Nigeria.
Sightsavers has been awarded a $300,000 grant from the Foundation for its work in Liberia to eliminate river blindness and lymphatic filariasis.
Last week the spotlight was shone firmly on neglected tropical diseases (NTDs). The week kicked off with an announcement by UK Aid.
The number of people at risk from neglected tropical diseases has fallen by 20 per cent in the past five years, according to WHO.