Comparison Between Peribulbar And Sub-tenon Blocks on Oculocardiac Reflex (OCR) During Pediatric Strabismus Surgery

Inclusion Criteria: * Participants were children (6-13 years), ASA I-II patients, scheduled to undergo strabismus surgery. Exclusion Criteria: * Children with tumors or infections of the orbit, raised intraocular pressure more than 20 mm Hg, axial length more than 28 mm, eye injury, airway abnormalities or who were blind in the eye other than that which was to be operated on were excluded. Other exclusion criteria included patients undergoing revision surgery, known allergy to local anesthetics or non-steroidal antiinflammatory drugs (NSAIDs), steroid therapy, parental refusal to participate and patients with INR more than 1.5 or with platelets less than 100.