TY - RPRT TI - Visual impairment, spectacle wear and academic performance among junior high school students in western China AU - Nie, J. AU - Nie, W. AU - Mu, M. AU - Zhang, L. AU - Song, S. AU - Peng, L. AU - Gao, Q. AU - Yang, J. PY - 2019 DO - 10.1101/2019.12.13.875153 UR - https://www.biorxiv.org/content/10.1101/2019.12.13.875153v1 ID - 10.1101/2019.12.13.875153 ER -