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

Preliminary evaluation of smartphone-based addition measurement in a presbyopic population Rosa M. Salmerón-Campillo; Jose A. Diaz-Guirado; Gines Martinez-Ros; Mateusz Jaskulski; Norberto López-Gil;

Prevalence of refractive errors among school students in Iraq ¿ A systematic review and meta-analysis Hassan A. Aljaberi; I.R. Ali; Zaydoon Tariq M. Noori;