Learning phacoemulsification with triamcinolone acetonide.
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Biomedical subjects
Publications and source records attributed to H B Chittenden.
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AIMS: To determine whether topical anaesthesia in small incision self-sealing phacoemulsification cataract surgery provides comparable anaesthesia to sub-Tenon's infiltration. METHODS: Thirty five patients undergoing small incision self-sealing phacoemulsification cataract surgery were allocated randomly to receive topical anaesthesia with 0.4% oxybuprocaine or sub-Tenon's infiltration with 2% lignocaine. Pain experienced during the operation was assessed by asking the patient to score on a visual analogue graphic pain score chart. RESULTS: The median pain score for the topical group (3) was significantly higher than that of the sub-Tenon's group (0) (p = 0.004). CONCLUSION: Sub-Tenon's infiltration is superior to topical anaesthesia in ensuring patient comfort during small incision scleral tunnel self-sealing phacoemulsification cataract surgery.
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