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;

Postoperative visual outcomes with lenticule extraction in high myopia: a pilot study Kishore Raj Pradhan; Samuel Arba Mosquera;