The Sheikh Zayed Regional Eye Care Centre in The Gambia marked the occasion with an event to celebrate its success providing eye health services.
Two more areas and more than a million people in the country have met the World Health Organization criteria for elimination of the disease.
An author whose brother died in a plane crash in 1961 has written a book to investigate the tragedy, with royalties donated to charities including Sightsavers.
Sightsavers has launched its annual Specs Appeal eBay auction, giving fans the opportunity to bid on specs donated by celebrities.
Sightsavers co-hosted and took part in a side event at the High-Level Political Forum on Sustainable Development held at the United Nations in New York.
Louise Robinson has visited projects as part of The Queen Elizabeth Diamond Jubilee Trust Trachoma Initiative and Sightsavers’ CATCH project.
Running enthusiasts from around the world have raised $5,000 (£3,800) for Sightsavers by taking part in a virtual race online.
The event, on 10-19 July, will take place alongside the High-Level Political Forum on Sustainable Development at the UN headquarters.