Journal Article
                        
                        Kyari, Fatima, Murthy VS  Gudlavalleti, Selvaraj  Sivsubramaniam, Clare E Gilbert, Mohammed M Abdull, Gabriel  Entekume, and Allen  Foster.  
"Prevalence of blindness and visual impairment in Nigeria: The national blindness and visual impairment survey." Investigative ophthalmology & visual science 50, no. 5 (2009): 2033-2039.