Prevalence of refractive error in Portugal ¿ A systematic review and meta-analysis Vera Lúcia Alves Carneiro; José Manuel González-Méijome;

Refractive error in preterm infants without retinopathy of prematurity aged 1¿18 months: A propensity score matching analysis Lu Huo; Xinyu Jia; Chunmei Li;

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;