Status of continuation of spectacle use among school children in selected districts of eastern Nepal: A retrospective study Ranjan Shah; Anil Paudel; Sailesh Kumar Mishra; Pathiyil Ravi Shankar; Pankaj Ray Adhikari; Amit Kumar Singh; Anup Subedi; Rishi Raj Borah; Sabina Shrestha; Yuddha Dhoj Sapkota; Radha Devi Ghimire;

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;