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  • Title: Topical anesthesia with sedation in phacoemulsification and intraocular lens implantation combined with 2-port pars plana vitrectomy in 105 consecutive cases.
    Author: Yepez JB, de Yepez JC, Azar-Arevalo O, Arevalo JF.
    Journal: Ophthalmic Surg Lasers; 2002; 33(4):293-7. PubMed ID: 12134988.
    Abstract:
    BACKGROUND AND OBJECTIVE: To evaluate the efficacy of topical anesthesia as an alternative to peribulbar or retrobulbar anesthesia in phacoemulsification and intraocular lens implantation combined with our modified 2-port pars plana vitrectomy technique (phacovitrectomy). PATIENTS AND METHODS: Phacovitrectomy using topical anesthesia (4% lidocaine drops) was prospectively performed in 105 eyes with cataract and varied vitreoretinal pathology. In 75 eyes (71.4%), phacovitrectomy was combined with argon laser photocoagulation (endolaser). Preoperative and intraoperative sedation of varying degrees was necessary. Subjective pain and discomfort were graded from 1 (no pain or discomfort) to 4 (severe pain and discomfort). RESULTS: All patients had grade 1 pain and discomfort during most of the procedure. All patients had grade 2 (mild) pain and discomfort during pars plana sclerotomies, external bipolar cautery, and conjunctival closure. No patient required additional retrobulbar, peribulbar, or sub-Tenon's anesthesia. CONCLUSION: This technique avoids the risk of globe perforation, retrobulbar hemorrhage, and prolonged postoperative akinesia of the eye. With appropriate case selection, topical anesthesia is a safe and effective alternative to peribulbar or retrobulbar anesthesia in phacovitrectomy.
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