Prevalence of astigmatism among 99,515 children in different areas of Xi'an City, China Ye Zhang; Xiaokang He; Wei Dong; Zihao Wang; Chengfei Liu; Yanying Li; Zhaojiang Du;

Practice of orthokeratology in Algeria: a retrospective study Mhamed Ouzzani; Moatez Billah Mekki; Selma Chiali; Fatiha Kail; Larbi Chahed;

Efficacy of a progressive multifocal soft contact lens in myopia management in Caucasian children: A two-year follow-up Sergio Díaz-Gómez; Amaia Urkia-Solorzano; José A. López-Garrido; Mercedes Burgos-Martínez; Jesús Carballo-Álvarez;