GUO Yin, LIU Li-zhou, PENG Li, FU Jia, GUO Wei, MI Lan, TANG Ping, LV Yan-yun, WU Jing-jing. Changes of corneal morphology and diopter in keratoconus over time with RGPCLs wearing: 7-year retrospective analysis[J]. Ophthalmology in China, doi: 10.13281/j.cnki.issn.1004-4469.2018.05.008.