Overview Effect of Metformin on Visual Function in Patients With Glaucoma Status: Recruiting Trial end date: 2021-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether Metformin could prevent the progression of glaucoma in a safe and effective manner. Phase: N/A Details Lead Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen UniversityTreatments: Metformin