The Nigerian national blindness and visual impairment survey: Rationale, objectives and detailed methodology

By Fatima Kyari, Brendan Dineen,, Clare E Gilbert, Mansur Rabiu, Abdull Mmahdi, Tafida Abubakar, Christian C Ezelum, Entekume Gabriel, Elizabeth Elhassan, Adenike Abiose, Hannah Faal, Jonathan Y Jiya, Chinenyem P Ozemela, Pak Sang Lee, and Murthy Vs Gudlavalleti