Journal of cataract and refractive surgery
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J Cataract Refract Surg · Jun 2001
Randomized Controlled Trial Comparative Study Clinical TrialTopical versus sub-Tenon's anesthesia without sedation in cataract surgery.
To compare pain control using topical anesthesia with that using sub-Tenon's anesthesia for clear corneal phacoemulsification cataract surgery and foldable intraocular lens (IOL) implantation. ⋯ Patients having cataract surgery under topical anesthesia had more intraoperative and postoperative discomfort than patients receiving sub-Tenon's anesthesia. However, patients having topical anesthesia reported less pain during its administration and had fewer complications. Both anesthesia methods provided high levels of pain control without additional sedation.