Ethnicity and refractive errors in Peruvian children aged 7¿11 years: A five-year analysis of the Demographic and Health Survey Guillermo De-La-Borda-Prazak; Carolina Mendez-Guerra; Fiorella Huertas-Campos; Percy Herrera-Añazco; Vicente A. Benites-Zapata;

Agreement between Lea Symbols and Patti Pics visual acuity in children and adults Arjun Sapkota; Sanjeeta Sitaula; Gauri Shankar Shrestha; Niraj Dev Joshi; Bipin Koirala; Nabin Paudel;

Gender and age distribution of refractive errors in an optometric clinical population Samuel Otabor Wajuihian; Khathutshelo Percy Mashige;