Assessing the efficacy of lidocaine gel 2% application 10 minutes before surgery on post operative pain and the use of analgesics postoperatively

After inhalational induction of anesthesia and applying the pulse oximeter to the patient's finger but and before cannulating or managing the patient's airway lidocaine gel 2% is efficiently applied to the surgical eye (to give more time for the gel to act without delaying the surgery) then cannulation and laryngeal mask inserted to maintain ventilation properly.

Applying lidocaine gel 2% should be filling the upper and lower 10 minute fornices before disinfecting the eye and starting the surgery

The primary outcome is assessing postoperative pain and need for postoperative systemic analgesia The secondary outcome is to monitor the oculocardiac reflex intraoperatively and the need for intraoperative atropine.

Inclusion Criteria:

• age 3 to 12 years
• squint surgery

Exclusion Criteria:

• below 2 years or more than 13