Supported by the World Health Organization under National Institute of Health contract N01-EY-2103;Fundamental Research Funds of the State Key Laboratory in Ophthalmology;National Natural Science Foundation of China (No.81125007);The Research Accelerator Program was at University of Melbourne and the CERA Foundation;The Centre for Eye Research Australia receives Operational Infrastructure Support from the Victorian State Government
AIM: To investigate the influence of astigmatism on visual acuity in school-aged children, and to define a cutoff for clinically significant astigmatism. METHODS: This is a population-based, cross-sectional study. A...