研究单位：[1]Sun Yat-sen University[2]Beijing Tongren Hospital[3]Wenzhou Medical University[4]The Second Affiliated Hospital of Harbin Medical University[5]Huazhong University of Science and Technology[6]The Third Hospital of HanDan[7]Third Affiliated Hospital of Third Military Medical University[8]Central South University[9]He University[10]Hebei Provincial Eye Hospital[11]Zhongshan Ophthalmic Center,Guangzhou,Guangdong,China,510060
研究目的：
This is a 10-centre randomized controlled clinical trial to explore whether laser peripheral iridoplasty (LPIP) plus laser peripheral iridotomy (LPI) is more effective than single LPI to control the progression of primary angle closure with multi-mechanism based on the UBM classification.
