IRCT20141009019470N97 IRCT 2020-01-29 Shiraz University of Medical Sciences Comparison the Effect of Propofol and Sevoflurane Anesthesia on Intraocular Pressure in Patients Undergoing Cataract Surgery. Comparison of the Effect of Propofol and Sevoflurane Anesthesia on Intraocular Pressure in Patients Undergoing Cataract Surgery. 2020-02-24 anticipated 144 Complete https://irct.ir/trial/44331 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: At Randomomization.org, I receive two sets of 72 code from the table extracted from the site and share among the 144 study participants. (72 patients receiving will be assigned to the Sevoflurane group and the rest to the Propofol group) who will eventually be divided into the S and P groups, Blinding description: The patient and assessor , who is a resident ophthalmologist and measures and records intraocular pressure, do not know the type of study groups. 2-3 Cataract Surgery. Intervention 1: Intervention group:In the first intervention group, anesthesia will be maintained with propofol 100 mg / kg /min with oxygen and nitrous oxide of 0.5% and maintaining capnography between 30-35 mm Hg. Intervention 2: Intervention group:In the second intervention group, anesthesia will be maintained with a maintenance dose of sevoflurane (3.3% MAC) and 0.5% oxygen and nitrous oxide and capnography 30-35 mm Hg. No - There is not a plan to make this available Justification or reason for not sharing IPD is Its against our policies.