Visual impairment and spectacle use in university students in central China: The Anyang University Students Eye Study.

•The prevalence of uncorrected visual acuity (VA) less than six-twelfths and less than three-sixtieths in the better eye were 69.9% and 0.9%, respectively.•Only 77.0% of subjects with uncorrected VAs in the better eye of less than six-twelfths wore glasses.•When presenting VA, the prevalence of mild (VA <6/12 to 6/18), moderate (VA <6/18 to 6/60), and severe (VA <6/60 to 3/60) visual impairment was 6.3%, 12.2%, and 0.7%, respectively.•Compared with studies of older adults, this study showed quite high rates of visual impairment in Chinese university students.