Ophthalmology
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Randomized Controlled Trial Comparative Study Clinical Trial
Lidocaine 2% gel versus lidocaine 4% unpreserved drops for topical anesthesia in cataract surgery: a randomized controlled trial.
To compare intracameral levels and clinical efficacy of lidocaine 2% gel with lidocaine 4% unpreserved drops. ⋯ If administered by means of gel, the same amount of lidocaine gives significantly higher intracameral levels of lidocaine, better analgesia, better patient cooperation, and less need for intraoperative supplemental anesthesia. Lower pain scores do not correlate with intracameral lidocaine levels.