Sightsavers is an organization with multiple program areas that focuses on preventing avoidable blindness, supporting people with disabilities, and distributing treatments for neglected tropical diseases. It works with governments and other organizations in Asia and Africa. Its deworming program is recommended by GiveWell.
GiveWell (2020) Sightsavers' deworming program, GiveWell, November.
Sightsavers. Official website.