Comparison of an open view autorefractor with an open view aberrometer in determining peripheral refraction in children Pelsin Demir; Antonio Filipe Macedo; Ranjay Chakraborty; Karthikeyan Baskaran;

Utility of retinoscopy to examine peripheral refraction Maciej Perdziak; Krystian Prymula; Anna Przekoracka¿Krawczyk;

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;