الفهرس 
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Abstract
Strabismusis misalignment of both eyes with each other which may affect students lead to poor academic outcome andalso may affect employee decreasing reproduction.Duane’s retraction syndrome is congenital anomalies ofsixth cranial nerve nuclei lead to redirection of branches of 3rdcranial nerve to lateral rectus with co-contraction of both medial
and lateral rectus and global retraction.
The oculocardiac reflex is decrease heart rate 20% or morefrom baseline, dysrhythmias, or sinoatrial arrest associated withocular muscle traction.Postoperative vomiting is one of common problemsassociated with strabismus surgery contributing to dehydration,subconjuctival hemorrhage, delayed discharge and unplannedadmission.Postoperative pain associated with strabismus surgery istreated with either local anesthetic block, topical NSAIDs,intravenous opioid or intravenous NSAIDs.
This study aim to compare strabismus patients to DRSpatients as regards oculocardiac reflex, post-operative vomiting,postoperative pain and analgesia.
100 ASA І – ІІІ patients aged 2 – 30 year of either sexsubmitted for elective correction of strabismus at MansouraOphthalmology center and Nile eye center divided into two
groups; strabismus group (n = 70) and duane group (n = 30).
All patients anesthetized with thiopentone 5-6 mg / kg,and ketorolac 0.5 mg/kg. Tracheal intubation was facilitated withatracurium 0.5 mg/kg. Anesthesia maintained with isoflurane.
Intraoperative ringer infusion 30ml/kg/h.Lowest heart rate during traction on extraocular muscleswas recorded. Postoperative vomiting was recorded usingmodified numeric rank score; zero referring to no vomiting, one referring to vomiting once, two referring to continuous retching orvomiting more than once.
Objective pain score was used to record postoperative painafter arrival at the PACU.There were significant decrease in intra-traction HR instrabismus group compared with Duane group (p=0.023). Thepost-traction HR in strabismus group was statistically significant