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  • Title: [Intracameral lidocaine and phacoemulsification under topical anesthesia. Apropos of 80 operations].
    Author: Roux L, Rigal-Sastourné JC, Bidaux F, May F, Renard JP, Maurin JF.
    Journal: J Fr Ophtalmol; 1998 Apr; 21(4):257-63. PubMed ID: 9759414.
    Abstract:
    PURPOSE: To evaluate the advantage of intracameral unpreserved lidocaine for patient comfort during phacoemulsification under topical anesthesia. METHODS: In this prospective study, we performed 80 phacoemulsifications under topical anesthesia, with tetracaine 1% drops, 10 minutes before and at the start of surgery: 40 patients received 0.3 cc balanced salt solution (BSS) intracameral injection; 40 patients received 0.3 cc unpreserved lidocaine 1% intracameral injection. The same surgical procedure was performed in both groups: 3.2 mm temporal corneal self-sealing incision, capsulorhexis, foldable polyHEMA IOL implantation into the capsular bag. There was no intravenous sedation. RESULTS: Forty-eight percent (19) in the BSS group and 70% (28) in the lidocaine group felt no pain. 10% (4) in the BSS group reported sharp pain during phacoemulsification. During IOL insertion, no pain was reported by 48% (19) in the BSS group, and 75% (30) in the lidocaine group; 10% (4) in the BSS group felt severe pain (significant difference: p < 0.05). Endothelial cell loss was 6% in the BSS group, and 6.4% in the lidocaine group (non significant difference). CONCLUSION: Intracameral lidocaine is safe and effective in decreasing discomfort among patients undergoing phacoemulsification under topical anesthesia.
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