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J Cataract Refract Surg · Jan 2007
Randomized Controlled Trial Comparative StudyTetracaine hydrochloride 0.5% versus lidocaine 2% jelly as a topical anesthetic agent in cataract surgery: comparative clinical trial.
- Howard Amiel and Paul S Koch.
- howard_amiel@brown.edu
- J Cataract Refract Surg. 2007 Jan 1;33(1):98-100.
PurposeTo assess the anesthetic efficacy of tetracaine hydrochloride 0.5% (TetraVisc) versus lidocaine 2% jelly in routine cataract extraction.SettingPrivate surgicenter, Warwick, Rhode Island, USA.MethodsA prospective randomized double-blind clinical trial comprised 100 patients having routine cataract extraction by clear corneal phacoemulsification. Patients were randomized to receive TetraVisc or lidocaine 2% jelly, applied once, approximately 5 minutes before surgery. Outcomes included a self-reported postoperative pain score and the need for supplemental anesthesia.ResultsThe mean self-reported postoperative pain scores for TetraVisc and lidocaine 2% jelly were similar (0.94 and 1.02, respectively; P = .76). A single patient in the lidocaine group required supplemental anesthesia.ConclusionTetraVisc was as effective as lidocaine 2% jelly as a topical anesthetic agent for routine cataract extraction.
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