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  • Title: Diplopia after cataract surgery: comparative results after topical or regional injection anesthesia.
    Author: Yangüela J, Gómez-Arnau JI, Martín-Rodrigo JC, Andueza A, Gili P, Paredes B, Porras MC, González del Valle F, Arias A.
    Journal: Ophthalmology; 2004 Apr; 111(4):686-92. PubMed ID: 15051199.
    Abstract:
    OBJECTIVE: To compare the incidence of diplopia after topical or regional injection anesthesia in cataract surgery. STUDY DESIGN: Retrospective, noncomparative interventional case series. PARTICIPANTS AND METHODS: Three thousand five hundred forty-two consecutive cataract surgeries, performed from March 1998 to December 2001, were studied. MAIN OUTCOME MEASURES: Incidence and mechanisms of diplopia. RESULTS: Two thousand one hundred twenty-two patients were operated under regional and 1420 under topical anesthesia. Twenty-four cases of diplopia were observed, 21 (87.5%) in the regional group and 3 (12.5%) after topical anesthesia (P = 0.005). Eleven cases (45.8%) were secondary to motility problems, all in the regional anesthesia group (P = 0.006). Eight cases (33.3%) were secondary to refractive errors or intraocular lens luxation, 5 after regional and 3 after topical anesthesia (P = 0.88). Five cases (20.8%) were secondary to fusion loss, all in the regional anesthesia group (P = 0.06). CONCLUSIONS: In our study, topical anesthesia was associated with a lower incidence of diplopia relative to regional injection anesthesia. No cases of diplopia secondary to fusion loss or muscle damage were found after topical anesthesia surgery.
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