Ambient fine particulate matter and ozone higher than certain thresholds associated with myopia in the elderly aged 50 years and above. - Ruan, Zengliang; Qian, Zhengmin (Min); Guo, Yanfei; Zhou, Jin; Yang, Yin; Acharya, Bipin Kumar; Guo, Shu; Zheng, Yang; Cummings-Vaughn, Lenise A.; Rigdon, Steven E.; Vaughn, Michael G.; Chen, Xinyu; et al. (Environmental Research, 2019)