The effect of adding dexmedetomidine to local anesthetic mixture for peribulbar block in vitreoretinal surgeries

Adding dexmedetomidine to a mixture of lidocaine 2% and bupivacaine in peribulbar block shortened sensory and motor block onset, extended the analgesia period and the motor block duration. It also significantly decreased the intraocular pressure and enabled better operating conditions. In this study, the addition of 25 μ dexmedetomidine to the local anesthetic mixture showed the best outcome.