Efficacy Evaluation and Influencing Factors of Argon Laser Peripheral Iridoplasty in Acute Angle Closure Glaucoma

Inclusion Criteria: * One eye had an acute attack, which could not be relieved by medication, and the intraocular pressure was more than 21mmhg; * The patients were 40 to 80 years old, regardless of gender; * Patients are able and willing to comply with the research guidance and may complete all visits required by the research; * Informed consent has been signed. Exclusion Criteria: * History of ocular trauma; * Any previous intraocular surgery; * Secondary glaucoma was diagnosed, including uveitis, neovascular glaucoma, glaucoma with elevated superior scleral venous pressure, lens dissolution glaucoma, glaucoma caused by lens dislocation, lens cortical glaucoma, pigmented glaucoma, etc; * The patient's history indicated that he had severe dysfunction of heart, lung, liver and kidney; * Women in pregnancy, lactation or planned pregnancy; * The researchers believe that the patient's condition may put the patient at a significant risk, may confuse the results of the study, or may significantly interfere with the patient's participation in the study.