IRCT20170809035601N11 IRCT 2019-07-16 Esfahan University of Medical Sciences Comparing the sedative effect of intranasal fentanyl and intranasal ketamine in phacoemulsification Comparing the sedative effect of intranasal fentanyl and intranasal ketamine in phacoemulsification cataract surgery under sedation 2019-07-23 anticipated 80 Complete https://irct.ir/trial/40516 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: In the operating room, based on a random number table, one of the compounds of intranasal fentanyl or intranasal ketamine is given to patients, Blinding description: The patient and the researcher are not aware of the type of medication used. Medications are prepared by an anesthetic expert who has no role in the study and then injected by an anesthetist to each patient group. The person who records the data is also unaware of the type of medication used. 2 Cataract surgery. Intervention 1: Intervention group: ketamine group intranasal ketamine 2 ml (1.5 mg/Kg) with maximum dosage of 100 mg administered in both nostrils. Intervention 2: Intervention group: fentanyl group intranasal fentanyl 2 ml (1.5 mcg/Kg) with maximum dosage of 100 mc administered in both nostrils. Yes - There is a plan to make this available What will be shared: The total potential data can be shared after unidentifiable people When: Start the access period one year after the publication of results To whom: Only available for scholars working in academic and academic centers Conditions: Use of data is permitted for the purpose of developing research on the use of the drug Where to obtain: To the email address of the corresponding author How to obtain: Within two weeks, the requested information will be provided to the applicant Comments: