Introduction: Glaucoma is a leading cause of irreversible visual impairment worldwide and its diagnosis is frequently delayed. Although the pathogenesis of glaucoma is not fully understood, its incidence increases with age, the patients often have numerous comorbidities and use various medications. Thus, management and understanding of this disease. Objective: We aimed to review the literature reviewing the pathophysiology, clinical features, risk factors, diagnosis, and management of glaucoma. Methodology: Pubmed was used to select eligible articles using these terms in Mesh “Glaucoma” "Glaucoma pathophysiology” “Glaucoma trials” “Glaucoma management and diagnosis” within the title or abstract. Conclusion: Glaucoma is a leading cause of blindness worldwide so it requires accurate evaluation of the stages and progression of the diseases in order to detect the possible ways of management. Management of decision making demands solid history, detailed investigations, and cautious follow-up.