Fu L, Chan YK, Li J, et al. - Researchers conducted this retrospective study to examine the long term surgical outcomes of cataract surgery in severe and end stage glaucoma patients with preoperative intraocular pressure less than 21 mmHg, and to identify the correlated factors. Primary angle closure glaucoma patients in the severe and end stage who had cataract surgery from March 2015 to April 2018 have been retrieved. Participants in the study were 16 patients (19 eyes), mean age was 64.89 ± 11.68 years, with severe and end stage glaucoma. According to findings, final visual acuity in patients with severe and end stage primary angle closure glaucoma was significantly improved and the number of eyes came off drugs increased by 57.8% after cataract surgery. The glaucoma stage, mean deviation and visual field index are important preoperative parameters for predicting the final visual acuity after cataract surgery.