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Phacoemulsification operation is a common practice nowadays, and it is usually done under local anesthesia in elderly patients who have multiple comorbidities. Sedation is important in these patients to eliminate intraoperative anxiety and stress response. The aim of this study is to compare the effect of single dose of intravenous magnesium sulfate to a single dose of 2 mg midazolam in patients receiving local anesthesia to the eye for phacoemulsification operation as regards the sedative effect, cardiovascular and respiratory stability.

Intravenous magnesium-fentanyl sedation versus midazolam-fentanyl sedation before local anesthesia for eye surgery: a comparative study